<PAGE> 1
As filed with the Securities and Exchange Commission on April 18, 1997
Registration Nos. 2-95973 and 811-4236
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM N-lA
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 /X/
POST-EFFECTIVE AMENDMENT NO. 41 /X/
and
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT /X/
OF 1940
AMENDMENT NO. 42 /X/
THE ONE GROUP(R)
(Exact Name of Registrant as Specified in Charter)
1111 POLARIS PARKWAY
P.O. BOX 710211
COLUMBUS, OHIO 43271-0211
(Address of Principal Executive Offices)
(800) 480-4111
(Registrant's Telephone Number)
GEORGE MARTINEZ
3435 STELZER ROAD
COLUMBUS, OHIO 43219
(Name and Address of Agent for Service)
Copies To:
Alan G. Priest, Esquire Michael V. Wible, Esquire
Ropes & Gray Banc One Corporation
One Franklin Square 100 East Broad Street, 18th Fl.
1301 K Street, N.W., Suite 800E Columbus, Ohio 43271
Washington, D.C. 20005
It is proposed that this filing will become effective (check appropriate box)
Immediately upon filing pursuant to paragraph (b)
----
on (date) pursuant to paragraph (b)
----
X 60 days after filing pursuant to paragraph (a)(1)
----
on (DATE) pursuant to paragraph (a)(1)
----
<PAGE> 2
75 days after filing pursuant to paragraph (a)(2)
----
on (DATE) pursuant to paragraph (a)(2)
---- of Rule 485.
The Registrant has registered an indefinite number or amount of securities under
the Securities Act of 1933 pursuant to Section (a) (1) of Rule 24f-2. Rule 24f-2
Notice for the Registrant's fiscal year ending June 30, 1996 was filed on August
28, 1996.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 011
<NAME> THE ONE GROUP PRIME MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 2505293
<INVESTMENTS-AT-VALUE> 2505293
<RECEIVABLES> 8699
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2513992
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 12056
<TOTAL-LIABILITIES> 12056
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2501956
<SHARES-COMMON-STOCK> 2186583<F1>
<SHARES-COMMON-PRIOR> 1965444<F1>
<ACCUMULATED-NII-CURRENT> 7
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 27
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 2501936
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 142118
<OTHER-INCOME> 6
<EXPENSES-NET> 11711
<NET-INVESTMENT-INCOME> 130413
<REALIZED-GAINS-CURRENT> 9
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 130422
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 116410<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 4119886<F1>
<NUMBER-OF-SHARES-REDEEMED> 3900430<F1>
<SHARES-REINVESTED> 1683<F1>
<NET-CHANGE-IN-ASSETS> 334552
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 20
<OVERDIST-NET-GAINS-PRIOR> 36
<GROSS-ADVISORY-FEES> 8602
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 14650
<AVERAGE-NET-ASSETS> 2180912<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .054<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .054<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .440<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 012
<NAME> THE ONE GROUP PRIME MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 2505293
<INVESTMENTS-AT-VALUE> 2505293
<RECEIVABLES> 8699
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2513992
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 12056
<TOTAL-LIABILITIES> 12056
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2501956
<SHARES-COMMON-STOCK> 315373<F1>
<SHARES-COMMON-PRIOR> 201996<F1>
<ACCUMULATED-NII-CURRENT> 7
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 27
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 2501936
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 142118
<OTHER-INCOME> 6
<EXPENSES-NET> 11711
<NET-INVESTMENT-INCOME> 130413
<REALIZED-GAINS-CURRENT> 9
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 130422
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 13976<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 1262765<F1>
<NUMBER-OF-SHARES-REDEEMED> 1161804<F1>
<SHARES-REINVESTED> 12416<F1>
<NET-CHANGE-IN-ASSETS> 334552
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 20
<OVERDIST-NET-GAINS-PRIOR> 36
<GROSS-ADVISORY-FEES> 8602
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 14650
<AVERAGE-NET-ASSETS> 275794<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .051<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .051<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .690<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 021
<NAME> THE ONE GROUP U.S. TREASURY SECURITIES MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 1957978
<INVESTMENTS-AT-VALUE> 1957978
<RECEIVABLES> 6365
<ASSETS-OTHER> 1
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1964344
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 8890
<TOTAL-LIABILITIES> 8890
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1955445
<SHARES-COMMON-STOCK> 1844578<F1>
<SHARES-COMMON-PRIOR> 1178070<F1>
<ACCUMULATED-NII-CURRENT> 43
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 34
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1955454
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 87131
<OTHER-INCOME> 88
<EXPENSES-NET> 6861
<NET-INVESTMENT-INCOME> 80358
<REALIZED-GAINS-CURRENT> (9)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 80349
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 75330<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 3907668<F1>
<NUMBER-OF-SHARES-REDEEMED> 3241505<F1>
<SHARES-REINVESTED> 345<F1>
<NET-CHANGE-IN-ASSETS> 678640
<ACCUMULATED-NII-PRIOR> 27
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 25
<GROSS-ADVISORY-FEES> 5456
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 9126
<AVERAGE-NET-ASSETS> 1456507<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .052<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .052<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .420<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 022
<NAME> THE ONE GROUP U.S. TREASURY SECURITIES MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 1957978
<INVESTMENTS-AT-VALUE> 1957978
<RECEIVABLES> 6365
<ASSETS-OTHER> 1
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1964344
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 8890
<TOTAL-LIABILITIES> 8890
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1955445
<SHARES-COMMON-STOCK> 110864<F1>
<SHARES-COMMON-PRIOR> 98723<F1>
<ACCUMULATED-NII-CURRENT> 43
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 34
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 1955454
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 87131
<OTHER-INCOME> 88
<EXPENSES-NET> 6861
<NET-INVESTMENT-INCOME> 80358
<REALIZED-GAINS-CURRENT> (9)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 80349
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5012<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 449868<F1>
<NUMBER-OF-SHARES-REDEEMED> 442190<F1>
<SHARES-REINVESTED> 4447<F1>
<NET-CHANGE-IN-ASSETS> 678640
<ACCUMULATED-NII-PRIOR> 27
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 25
<GROSS-ADVISORY-FEES> 5456
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 9126
<AVERAGE-NET-ASSETS> 101654<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .050<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .050<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .670<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 031
<NAME> THE ONE GROUP MUNICIPAL MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 532345
<INVESTMENTS-AT-VALUE> 532345
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<TOTAL-LIABILITIES> 1686
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 510658
<SHARES-COMMON-STOCK> 459924<F1>
<SHARES-COMMON-PRIOR> 437856<F1>
<ACCUMULATED-NII-CURRENT> 0
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<EXPENSES-NET> 2583
<NET-INVESTMENT-INCOME> 19034
<REALIZED-GAINS-CURRENT> (4)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 19030
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 17075<F1>
<DISTRIBUTIONS-OF-GAINS> 4<F1>
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<NUMBER-OF-SHARES-SOLD> 1109221<F1>
<NUMBER-OF-SHARES-REDEEMED> 1087267<F1>
<SHARES-REINVESTED> 114<F1>
<NET-CHANGE-IN-ASSETS> 16266
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 4
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<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2042
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3718
<AVERAGE-NET-ASSETS> 518909<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .033<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .033<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .410<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 032
<NAME> THE ONE GROUP MUNICIPAL MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 532345
<INVESTMENTS-AT-VALUE> 532345
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<TOTAL-ASSETS> 550916
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<TOTAL-LIABILITIES> 1686
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 510658
<SHARES-COMMON-STOCK> 50734<F1>
<SHARES-COMMON-PRIOR> 56540<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 127
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 4
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<NET-ASSETS> 510527
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<EXPENSES-NET> 2583
<NET-INVESTMENT-INCOME> 19034
<REALIZED-GAINS-CURRENT> (4)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 19030
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 19047<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 299953<F1>
<NUMBER-OF-SHARES-REDEEMED> 307534<F1>
<SHARES-REINVESTED> 1775<F1>
<NET-CHANGE-IN-ASSETS> 16266
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 4
<OVERDISTRIB-NII-PRIOR> 139
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2042
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3718
<AVERAGE-NET-ASSETS> 64201<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .030<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .030<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .660<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 041
<NAME> INCOME EQUITY FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 278208
<INVESTMENTS-AT-VALUE> 394818
<RECEIVABLES> 1710
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 396543
<PAYABLE-FOR-SECURITIES> 0
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<TOTAL-LIABILITIES> 1263
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 272217
<SHARES-COMMON> 18230<F2>
<SHARES-COMMON-PRIOR> 11297<F2>
<ACCUMULATED-NII-CURRENT> 13
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6440
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 116610
<NET-ASSETS> 395280
<DIVIDEND-INCOME> 7617
<INTEREST-INCOME> 1061
<OTHER-INCOME> 18
<EXPENSES-NET> 2667
<NET-INVESTMENT-INCOME> 6029
<REALIZED-GAINS-CURRENT> 8723
<APPREC-INCREASE-CURRENT> 35127
<NET-CHANGE-FROM-OPS> 49879
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5346<F2>
<DISTRIBUTIONS-OF-GAINS> 7457<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 404468<F2>
<NUMBER-OF-SHARES-REDEEMED> 239261<F2>
<SHARES-REINVESTED> 6734<F2>
<NET-CHANGE-IN-ASSETS> 207100
<ACCUMULATED-NII-PRIOR> 41
<ACCUMULATED-GAINS-PRIOR> 6380
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1880
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2803
<AVERAGE-NET-ASSETS> 216886<F2>
<PER-SHARE-NAV-BEGIN> 15.13<F2>
<PER-SHARE-NII> .40<F2>
<PER-SHARE-GAIN-APPREC> 3.22<F2>
<PER-SHARE-DIVIDEND> .40<F2>
<PER-SHARE-DISTRIBUTIONS> .70<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.65<F2>
<EXPENSE-RATIO> .98<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Fiduciary Class
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 042
<NAME> INCOME EQUITY FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 278208
<INVESTMENTS-AT-VALUE> 394818
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<ASSETS-OTHER> 15
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<TOTAL-ASSETS> 396543
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<TOTAL-LIABILITIES> 1263
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 272217
<SHARES-COMMON> 2510<F2>
<SHARES-COMMON-PRIOR> 913<F2>
<ACCUMULATED-NII-CURRENT> 13
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6440
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 116610
<NET-ASSETS> 395280
<DIVIDEND-INCOME> 7617
<INTEREST-INCOME> 1061
<OTHER-INCOME> 18
<EXPENSES-NET> 2667
<NET-INVESTMENT-INCOME> 6029
<REALIZED-GAINS-CURRENT> 8723
<APPREC-INCREASE-CURRENT> 35127
<NET-CHANGE-FROM-OPS> 49879
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 530<F2>
<DISTRIBUTIONS-OF-GAINS> 850<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 9884<F2>
<NUMBER-OF-SHARES-REDEEMED> 3267<F2>
<SHARES-REINVESTED> 316<F2>
<NET-CHANGE-IN-ASSETS> 207100
<ACCUMULATED-NII-PRIOR> 41
<ACCUMULATED-GAINS-PRIOR> 6380
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1880
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2803
<AVERAGE-NET-ASSETS> 24834<F2>
<PER-SHARE-NAV-BEGIN> 15.11<F2>
<PER-SHARE-NII> .38<F2>
<PER-SHARE-GAIN-APPREC> 3.20<F2>
<PER-SHARE-DIVIDEND> .35<F2>
<PER-SHARE-DISTRIBUTIONS> .70<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.64<F2>
<EXPENSE-RATIO> 1.23<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Class A Shares
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 043
<NAME> INCOME EQUITY FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 278208
<INVESTMENTS-AT-VALUE> 394818
<RECEIVABLES> 1710
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<TOTAL-ASSETS> 396543
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 272217
<SHARES-COMMON> 1650<F2>
<SHARES-COMMON-PRIOR> 229<F2>
<ACCUMULATED-NII-CURRENT> 13
<OVERDISTRIBUTION-NII> 0
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<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 116610
<NET-ASSETS> 395280
<DIVIDEND-INCOME> 7617
<INTEREST-INCOME> 1061
<OTHER-INCOME> 18
<EXPENSES-NET> 2667
<NET-INVESTMENT-INCOME> 6029
<REALIZED-GAINS-CURRENT> 8723
<APPREC-INCREASE-CURRENT> 35127
<NET-CHANGE-FROM-OPS> 49879
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 181<F2>
<DISTRIBUTIONS-OF-GAINS> 356<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 1447<F2>
<NUMBER-OF-SHARES-REDEEMED> 52<F2>
<SHARES-REINVESTED> 26<F2>
<NET-CHANGE-IN-ASSETS> 207100
<ACCUMULATED-NII-PRIOR> 41
<ACCUMULATED-GAINS-PRIOR> 6380
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1880
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2803
<AVERAGE-NET-ASSETS> 12222<F2>
<PER-SHARE-NAV-BEGIN> 15.14<F2>
<PER-SHARE-NII> .24<F2>
<PER-SHARE-GAIN-APPREC> 3.23<F2>
<PER-SHARE-DIVIDEND> .23<F2>
<PER-SHARE-DISTRIBUTIONS> .70<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.68<F2>
<EXPENSE-RATIO> 1.98<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Class B Shares
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 051
<NAME> THE ONE GROUP INCOME BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 523732
<INVESTMENTS-AT-VALUE> 537716
<RECEIVABLES> 8578
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 546294
<PAYABLE-FOR-SECURITIES> 5974
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<OTHER-ITEMS-LIABILITIES> 3844
<TOTAL-LIABILITIES> 9818
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 577283
<SHARES-COMMON-STOCK> 55786<F1>
<SHARES-COMMON-PRIOR> 51527<F1>
<ACCUMULATED-NII-CURRENT> 396
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 54533
<ACCUM-APPREC-OR-DEPREC> 13330
<NET-ASSETS> 536476
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 37285
<OTHER-INCOME> 91
<EXPENSES-NET> 3047
<NET-INVESTMENT-INCOME> 34329
<REALIZED-GAINS-CURRENT> (1361)
<APPREC-INCREASE-CURRENT> (11155)
<NET-CHANGE-FROM-OPS> 21813
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 33573<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 16245<F1>
<NUMBER-OF-SHARES-REDEEMED> 11460<F1>
<SHARES-REINVESTED> 1318<F1>
<NET-CHANGE-IN-ASSETS> 53669
<ACCUMULATED-NII-PRIOR> 357
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 53042
<GROSS-ADVISORY-FEES> 3053
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4195
<AVERAGE-NET-ASSETS> 496756<F1>
<PER-SHARE-NAV-BEGIN> 9.540<F1>
<PER-SHARE-NII> .650<F1>
<PER-SHARE-GAIN-APPREC> (.210)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .650<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.330<F1>
<EXPENSE-RATIO> .590<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 052
<NAME> THE ONE GROUP INCOME BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 523732
<INVESTMENTS-AT-VALUE> 537716
<RECEIVABLES> 8578
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 546294
<PAYABLE-FOR-SECURITIES> 5974
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3844
<TOTAL-LIABILITIES> 9818
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 577283
<SHARES-COMMON-STOCK> 1087<F1>
<SHARES-COMMON-PRIOR> 895<F1>
<ACCUMULATED-NII-CURRENT> 396
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 54533
<ACCUM-APPREC-OR-DEPREC> 13330
<NET-ASSETS> 536476
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 37285
<OTHER-INCOME> 91
<EXPENSES-NET> 3047
<NET-INVESTMENT-INCOME> 34329
<REALIZED-GAINS-CURRENT> (1361)
<APPREC-INCREASE-CURRENT> (11155)
<NET-CHANGE-FROM-OPS> 21813
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 545<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 680<F1>
<NUMBER-OF-SHARES-REDEEMED> 347<F1>
<SHARES-REINVESTED> 41<F1>
<NET-CHANGE-IN-ASSETS> 53669
<ACCUMULATED-NII-PRIOR> 357
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 53042
<GROSS-ADVISORY-FEES> 3053
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4195
<AVERAGE-NET-ASSETS> 8376<F1>
<PER-SHARE-NAV-BEGIN> 9.540<F1>
<PER-SHARE-NII> .630<F1>
<PER-SHARE-GAIN-APPREC> (.230)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .620<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.320<F1>
<EXPENSE-RATIO> .840<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 053
<NAME> THE ONE GROUP INCOME BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 523732
<INVESTMENTS-AT-VALUE> 537716
<RECEIVABLES> 8578
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 546294
<PAYABLE-FOR-SECURITIES> 5974
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3844
<TOTAL-LIABILITIES> 9818
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 577283
<SHARES-COMMON-STOCK> 650<F1>
<SHARES-COMMON-PRIOR> 326<F1>
<ACCUMULATED-NII-CURRENT> 396
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 54533
<ACCUM-APPREC-OR-DEPREC> 13330
<NET-ASSETS> 536476
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 37285
<OTHER-INCOME> 91
<EXPENSES-NET> 3047
<NET-INVESTMENT-INCOME> 34329
<REALIZED-GAINS-CURRENT> (1361)
<APPREC-INCREASE-CURRENT> (11155)
<NET-CHANGE-FROM-OPS> 21813
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 211<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
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<NUMBER-OF-SHARES-SOLD> 130<F1>
<NUMBER-OF-SHARES-REDEEMED> 17<F1>
<SHARES-REINVESTED> 5<F1>
<NET-CHANGE-IN-ASSETS> 53669
<ACCUMULATED-NII-PRIOR> 357
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<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 53042
<GROSS-ADVISORY-FEES> 3053
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4195
<AVERAGE-NET-ASSETS> 3579<F1>
<PER-SHARE-NAV-BEGIN> 9.620<F1>
<PER-SHARE-NII> .560<F1>
<PER-SHARE-GAIN-APPREC> (.210)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .570<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.400<F1>
<EXPENSE-RATIO> 1.490<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 061
<NAME> THE ONE GROUP INTERMEDIATE TAX-FREE BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 227749
<INVESTMENTS-AT-VALUE> 230575
<RECEIVABLES> 4296
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 234871
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2276
<TOTAL-LIABILITIES> 8609
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 222793
<SHARES-COMMON-STOCK> 20353<F1>
<SHARES-COMMON-PRIOR> 20121<F1>
<ACCUMULATED-NII-CURRENT> 233
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 410
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2826
<NET-ASSETS> 226262
<DIVIDEND-INCOME> 105
<INTEREST-INCOME> 12507
<OTHER-INCOME> 0
<EXPENSES-NET> 1300
<NET-INVESTMENT-INCOME> 11312
<REALIZED-GAINS-CURRENT> 1432
<APPREC-INCREASE-CURRENT> (248)
<NET-CHANGE-FROM-OPS> 12496
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 10698<F1>
<DISTRIBUTIONS-OF-GAINS> 468<F1>
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<NUMBER-OF-SHARES-SOLD> 6859<F1>
<NUMBER-OF-SHARES-REDEEMED> 6488<F1>
<SHARES-REINVESTED> 121<F1>
<NET-CHANGE-IN-ASSETS> 8303
<ACCUMULATED-NII-PRIOR> 11
<ACCUMULATED-GAINS-PRIOR> 563
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1400
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2079
<AVERAGE-NET-ASSETS> 224266<F1>
<PER-SHARE-NAV-BEGIN> 10.640<F1>
<PER-SHARE-NII> .520<F1>
<PER-SHARE-GAIN-APPREC> .040<F1>
<PER-SHARE-DIVIDEND> .510<F1>
<PER-SHARE-DISTRIBUTIONS> .020<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.670<F1>
<EXPENSE-RATIO> .540<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 062
<NAME> THE ONE GROUP INTERMEDIATE TAX-FREE BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 227749
<INVESTMENTS-AT-VALUE> 230575
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 234871
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<OTHER-ITEMS-LIABILITIES> 2276
<TOTAL-LIABILITIES> 8609
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 222793
<SHARES-COMMON-STOCK> 621<F1>
<SHARES-COMMON-PRIOR> 1735<F1>
<ACCUMULATED-NII-CURRENT> 233
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 410
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2826
<NET-ASSETS> 226262
<DIVIDEND-INCOME> 105
<INTEREST-INCOME> 12507
<OTHER-INCOME> 0
<EXPENSES-NET> 1300
<NET-INVESTMENT-INCOME> 11312
<REALIZED-GAINS-CURRENT> 1432
<APPREC-INCREASE-CURRENT> (248)
<NET-CHANGE-FROM-OPS> 12496
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 328<F1>
<DISTRIBUTIONS-OF-GAINS> 17<F1>
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<NUMBER-OF-SHARES-SOLD> 387<F1>
<NUMBER-OF-SHARES-REDEEMED> 316<F1>
<SHARES-REINVESTED> 22<F1>
<NET-CHANGE-IN-ASSETS> 8303
<ACCUMULATED-NII-PRIOR> 11
<ACCUMULATED-GAINS-PRIOR> 563
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1400
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2079
<AVERAGE-NET-ASSETS> 7230<F1>
<PER-SHARE-NAV-BEGIN> 10.630<F1>
<PER-SHARE-NII> .500<F1>
<PER-SHARE-GAIN-APPREC> .050<F1>
<PER-SHARE-DIVIDEND> .490<F1>
<PER-SHARE-DISTRIBUTIONS> .020<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.670<F1>
<EXPENSE-RATIO> .790<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 063
<NAME> THE ONE GROUP INTERMEDIATE TAX-FREE BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 227749
<INVESTMENTS-AT-VALUE> 230575
<RECEIVABLES> 4296
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<OTHER-ITEMS-ASSETS> 0
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<OTHER-ITEMS-LIABILITIES> 2276
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<SHARES-COMMON-PRIOR> 124<F1>
<ACCUMULATED-NII-CURRENT> 233
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 410
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2826
<NET-ASSETS> 226262
<DIVIDEND-INCOME> 105
<INTEREST-INCOME> 12507
<OTHER-INCOME> 0
<EXPENSES-NET> 1300
<NET-INVESTMENT-INCOME> 11312
<REALIZED-GAINS-CURRENT> 1432
<APPREC-INCREASE-CURRENT> (248)
<NET-CHANGE-FROM-OPS> 12496
<EQUALIZATION> 0
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<DISTRIBUTIONS-OF-GAINS> 3<F1>
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<NUMBER-OF-SHARES-SOLD> 138<F1>
<NUMBER-OF-SHARES-REDEEMED> 20<F1>
<SHARES-REINVESTED> 5<F1>
<NET-CHANGE-IN-ASSETS> 8303
<ACCUMULATED-NII-PRIOR> 11
<ACCUMULATED-GAINS-PRIOR> 563
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1400
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2079
<AVERAGE-NET-ASSETS> 1637<F1>
<PER-SHARE-NAV-BEGIN> 10.650<F1>
<PER-SHARE-NII> .430<F1>
<PER-SHARE-GAIN-APPREC> .040<F1>
<PER-SHARE-DIVIDEND> .420<F1>
<PER-SHARE-DISTRIBUTIONS> .020<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.680<F1>
<EXPENSE-RATIO> 1.440<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 071
<NAME> DISCIPLINE VALUE FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 506190
<INVESTMENTS-AT-VALUE> 560181
<RECEIVABLES> 907
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<OTHER-ITEMS-LIABILITIES> 1471
<TOTAL-LIABILITIES> 1471
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 464636
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<SHARES-COMMON-PRIOR> 33982<F2>
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<ACCUMULATED-NET-GAINS> 41035
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<ACCUM-APPREC-OR-DEPREC> 53991
<NET-ASSETS> 559617
<DIVIDEND-INCOME> 15128
<INTEREST-INCOME> 1236
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<EXPENSES-NET> 5523
<NET-INVESTMENT-INCOME> 10841
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<APPREC-INCREASE-CURRENT> 25630
<NET-CHANGE-FROM-OPS> 96757
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<DISTRIBUTIONS-OF-INCOME> 10493<F2>
<DISTRIBUTIONS-OF-GAINS> 27544<F2>
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<NUMBER-OF-SHARES-SOLD> 9341<F2>
<NUMBER-OF-SHARES-REDEEMED> 9186<F2>
<SHARES-REINVESTED> 1427<F2>
<NET-CHANGE-IN-ASSETS> 86305
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<ACCUMULATED-GAINS-PRIOR> 9921
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<GROSS-ADVISORY-FEES> 3995
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<GROSS-EXPENSE> 5601
<AVERAGE-NET-ASSETS> 508906<F2>
<PER-SHARE-NAV-BEGIN> 13.20<F2>
<PER-SHARE-NII> .29<F2>
<PER-SHARE-GAIN-APPREC> 2.27<F2>
<PER-SHARE-DIVIDEND> .29<F2>
<PER-SHARE-DISTRIBUTIONS> .78<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 14.69<F2>
<EXPENSE-RATIO> .99<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Fiduciary Share Class
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 072
<NAME> DISCIPLINE VALUE FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 506190
<INVESTMENTS-AT-VALUE> 560181
<RECEIVABLES> 907
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 561088
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1471
<TOTAL-LIABILITIES> 1471
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 464636
<SHARES-COMMON-STOCK> 1416<F2>
<SHARES-COMMON-PRIOR> 1026<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 45
<ACCUMULATED-NET-GAINS> 41035
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 53991
<NET-ASSETS> 559617
<DIVIDEND-INCOME> 15128
<INTEREST-INCOME> 1236
<OTHER-INCOME> 0
<EXPENSES-NET> 5523
<NET-INVESTMENT-INCOME> 10841
<REALIZED-GAINS-CURRENT> 60286
<APPREC-INCREASE-CURRENT> 25630
<NET-CHANGE-FROM-OPS> 96757
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 304<F2>
<DISTRIBUTIONS-OF-GAINS> 920<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 760<F2>
<NUMBER-OF-SHARES-REDEEMED> 456<F2>
<SHARES-REINVESTED> 86<F2>
<NET-CHANGE-IN-ASSETS> 86305
<ACCUMULATED-NII-PRIOR> 43
<ACCUMULATED-GAINS-PRIOR> 9921
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3995
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5601
<AVERAGE-NET-ASSETS> 17212<F2>
<PER-SHARE-NAV-BEGIN> 13.22<F2>
<PER-SHARE-NII> .25<F2>
<PER-SHARE-GAIN-APPREC> 2.28<F2>
<PER-SHARE-DIVIDEND> .25<F2>
<PER-SHARE-DISTRIBUTIONS> .78<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 14.72<F2>
<EXPENSE-RATIO> 1.24<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 073
<NAME> DISCIPLINE VALUE FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 506190
<INVESTMENTS-AT-VALUE> 560181
<RECEIVABLES> 907
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 561088
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1471
<TOTAL-LIABILITIES> 1471
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 464636
<SHARES-COMMON-STOCK> 1110<F2>
<SHARES-COMMON-PRIOR> 851<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 45
<ACCUMULATED-NET-GAINS> 41035
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 53991
<NET-ASSETS> 559617
<DIVIDEND-INCOME> 15128
<INTEREST-INCOME> 1236
<OTHER-INCOME> 0
<EXPENSES-NET> 5523
<NET-INVESTMENT-INCOME> 10841
<REALIZED-GAINS-CURRENT> 60286
<APPREC-INCREASE-CURRENT> 25630
<NET-CHANGE-FROM-OPS> 96757
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 132<F2>
<DISTRIBUTIONS-OF-GAINS> 708<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 298<F2>
<NUMBER-OF-SHARES-REDEEMED> 99<F2>
<SHARES-REINVESTED> 60<F2>
<NET-CHANGE-IN-ASSETS> 86305
<ACCUMULATED-NII-PRIOR> 43
<ACCUMULATED-GAINS-PRIOR> 9921
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3995
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5601
<AVERAGE-NET-ASSETS> 13569<F2>
<PER-SHARE-NAV-BEGIN> 13.19<F2>
<PER-SHARE-NII> .15<F2>
<PER-SHARE-GAIN-APPREC> 2.27<F2>
<PER-SHARE-DIVIDEND> .14<F2>
<PER-SHARE-DISTRIBUTIONS> .78<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 14.69<F2>
<EXPENSE-RATIO> 1.99<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 081
<NAME> GROWTH OPPORTUNITIES FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 592135
<INVESTMENTS-AT-VALUE> 600299
<RECEIVABLES> 8074
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 604202
<TOTAL-ASSETS> 612276
<PAYABLE-FOR-SECURITIES> 34062
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4727
<TOTAL-LIABILITIES> 38789
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 28310<F2>
<SHARES-COMMON-PRIOR> 22469<F2>
<ACCUMULATED-NII-CURRENT> 07
<OVERDISTRIBUTION-NII> 47
<ACCUMULATED-NET-GAINS> 80677
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8164
<NET-ASSETS> 573487
<DIVIDEND-INCOME> 8638
<INTEREST-INCOME> 2051
<OTHER-INCOME> 177
<EXPENSES-NET> 5063
<NET-INVESTMENT-INCOME> 5803
<REALIZED-GAINS-CURRENT> 150392
<APPREC-INCREASE-CURRENT> 49094
<NET-CHANGE-FROM-OPS> 107101
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5572<F2>
<DISTRIBUTIONS-OF-GAINS> 78544<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 8947<F2>
<NUMBER-OF-SHARES-REDEEMED> 5714<F2>
<SHARES-REINVESTED> 2608<F2>
<NET-CHANGE-IN-ASSETS> 126929
<ACCUMULATED-NII-PRIOR> 357764
<ACCUMULATED-GAINS-PRIOR> 12472
<OVERDISTRIB-NII-PRIOR> 11
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3743
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5135
<AVERAGE-NET-ASSETS> 480493<F2>
<PER-SHARE-NAV-BEGIN> 18.40<F2>
<PER-SHARE-NII> .20<F2>
<PER-SHARE-GAIN-APPREC> 3.83<F2>
<PER-SHARE-DIVIDEND> .20<F2>
<PER-SHARE-DISTRIBUTIONS> 3.42<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 18.81<F2>
<EXPENSE-RATIO> 1.00<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Fiduciary Share Class
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 082
<NAME> GROWTH OPPORTUNITIES FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 592135
<INVESTMENTS-AT-VALUE> 600299
<RECEIVABLES> 8074
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 604202
<TOTAL-ASSETS> 612276
<PAYABLE-FOR-SECURITIES> 34062
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4727
<TOTAL-LIABILITIES> 38789
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 1495<F2>
<SHARES-COMMON-PRIOR> 609<F2>
<ACCUMULATED-NII-CURRENT> 07
<OVERDISTRIBUTION-NII> 47
<ACCUMULATED-NET-GAINS> 80677
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8164
<NET-ASSETS> 573487
<DIVIDEND-INCOME> 8638
<INTEREST-INCOME> 2051
<OTHER-INCOME> 177
<EXPENSES-NET> 5063
<NET-INVESTMENT-INCOME> 5803
<REALIZED-GAINS-CURRENT> 150392
<APPREC-INCREASE-CURRENT> 49094
<NET-CHANGE-FROM-OPS> 107101
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 216<F2>
<DISTRIBUTIONS-OF-GAINS> 2747<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 108378<F2>
<NUMBER-OF-SHARES-REDEEMED> 95119<F2>
<SHARES-REINVESTED> 2718<F2>
<NET-CHANGE-IN-ASSETS> 126929
<ACCUMULATED-NII-PRIOR> 357764
<ACCUMULATED-GAINS-PRIOR> 12472
<OVERDISTRIB-NII-PRIOR> 11
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3743
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5135
<AVERAGE-NET-ASSETS> 18468<F2>
<PER-SHARE-NAV-BEGIN> 18.36<F2>
<PER-SHARE-NII> .17<F2>
<PER-SHARE-GAIN-APPREC> 3.80<F2>
<PER-SHARE-DIVIDEND> .15<F2>
<PER-SHARE-DISTRIBUTIONS> 3.42<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 18.76<F2>
<EXPENSE-RATIO> 1.25<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 083
<NAME> GROWTH OPPORTUNITIES FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 592135
<INVESTMENTS-AT-VALUE> 600299
<RECEIVABLES> 8074
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 604202
<TOTAL-ASSETS> 612276
<PAYABLE-FOR-SECURITIES> 34062
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4727
<TOTAL-LIABILITIES> 38789
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 0
<SHARES-COMMON-STOCK> 700<F2>
<SHARES-COMMON-PRIOR> 154<F2>
<ACCUMULATED-NII-CURRENT> 07
<OVERDISTRIBUTION-NII> 47
<ACCUMULATED-NET-GAINS> 80677
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8164
<NET-ASSETS> 573487
<DIVIDEND-INCOME> 8638
<INTEREST-INCOME> 2051
<OTHER-INCOME> 177
<EXPENSES-NET> 5063
<NET-INVESTMENT-INCOME> 5803
<REALIZED-GAINS-CURRENT> 150392
<APPREC-INCREASE-CURRENT> 49094
<NET-CHANGE-FROM-OPS> 107101
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 51<F2>
<DISTRIBUTIONS-OF-GAINS> 896<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 522<F2>
<NUMBER-OF-SHARES-REDEEMED> 30<F2>
<SHARES-REINVESTED> 55<F2>
<NET-CHANGE-IN-ASSETS> 126929
<ACCUMULATED-NII-PRIOR> 357764
<ACCUMULATED-GAINS-PRIOR> 12472
<OVERDISTRIB-NII-PRIOR> 11
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3743
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5135
<AVERAGE-NET-ASSETS> 6541<F2>
<PER-SHARE-NAV-BEGIN> 18.14<F2>
<PER-SHARE-NII> .09<F2>
<PER-SHARE-GAIN-APPREC> 3.69<F2>
<PER-SHARE-DIVIDEND> .07<F2>
<PER-SHARE-DISTRIBUTIONS> 3.42<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 18.43<F2>
<EXPENSE-RATIO> 2.00<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 101
<NAME> THE ONE GROUP LIMITED VOLATILITY BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 631998
<INVESTMENTS-AT-VALUE> 630943
<RECEIVABLES> 8783
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 639726
<PAYABLE-FOR-SECURITIES> 4978
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3566
<TOTAL-LIABILITIES> 8544
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 639183
<SHARES-COMMON-STOCK> 58043<F1>
<SHARES-COMMON-PRIOR> 1249<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 121
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 6825
<ACCUM-APPREC-OR-DEPREC> (1055)
<NET-ASSETS> 631182
<DIVIDEND-INCOME> 62
<INTEREST-INCOME> 30286
<OTHER-INCOME> 120
<EXPENSES-NET> 2450
<NET-INVESTMENT-INCOME> 28018
<REALIZED-GAINS-CURRENT> 1885
<APPREC-INCREASE-CURRENT> (6631)
<NET-CHANGE-FROM-OPS> 23272
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 26964<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 30536<F1>
<NUMBER-OF-SHARES-REDEEMED> 12260<F1>
<SHARES-REINVESTED> 768<F1>
<NET-CHANGE-IN-ASSETS> 205014
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 122
<OVERDIST-NET-GAINS-PRIOR> 7201
<GROSS-ADVISORY-FEES> 2781
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3920
<AVERAGE-NET-ASSETS> 444845<F1>
<PER-SHARE-NAV-BEGIN> 10.530<F1>
<PER-SHARE-NII> .640<F1>
<PER-SHARE-GAIN-APPREC> (.110)<F1>
<PER-SHARE-DIVIDEND> .640<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.420<F1>
<EXPENSE-RATIO> .510<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 102
<NAME> THE ONE GROUP LIMITED VOLATILITY BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 631998
<INVESTMENTS-AT-VALUE> 630943
<RECEIVABLES> 8783
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 639726
<PAYABLE-FOR-SECURITIES> 4978
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3566
<TOTAL-LIABILITIES> 8544
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 639183
<SHARES-COMMON-STOCK> 2050<F1>
<SHARES-COMMON-PRIOR> 1249<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 121
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 6825
<ACCUM-APPREC-OR-DEPREC> (1055)
<NET-ASSETS> 631182
<DIVIDEND-INCOME> 62
<INTEREST-INCOME> 30286
<OTHER-INCOME> 120
<EXPENSES-NET> 2450
<NET-INVESTMENT-INCOME> 28018
<REALIZED-GAINS-CURRENT> 1885
<APPREC-INCREASE-CURRENT> (6631)
<NET-CHANGE-FROM-OPS> 23272
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 878<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 12072<F1>
<NUMBER-OF-SHARES-REDEEMED> 11265<F1>
<SHARES-REINVESTED> 54<F1>
<NET-CHANGE-IN-ASSETS> 205014
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 122
<OVERDIST-NET-GAINS-PRIOR> 7201
<GROSS-ADVISORY-FEES> 2781
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3920
<AVERAGE-NET-ASSETS> 15150<F1>
<PER-SHARE-NAV-BEGIN> 10.520<F1>
<PER-SHARE-NII> .630<F1>
<PER-SHARE-GAIN-APPREC> (.130)<F1>
<PER-SHARE-DIVIDEND> .610<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.410<F1>
<EXPENSE-RATIO> .760<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 103
<NAME> THE ONE GROUP LIMITED VOLATILITY BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 631998
<INVESTMENTS-AT-VALUE> 630943
<RECEIVABLES> 8783
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 639726
<PAYABLE-FOR-SECURITIES> 4978
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3566
<TOTAL-LIABILITIES> 8544
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 639183
<SHARES-COMMON-STOCK> 469<F1>
<SHARES-COMMON-PRIOR> 279<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 121
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 6825
<ACCUM-APPREC-OR-DEPREC> (1055)
<NET-ASSETS> 631182
<DIVIDEND-INCOME> 62
<INTEREST-INCOME> 30286
<OTHER-INCOME> 120
<EXPENSES-NET> 2450
<NET-INVESTMENT-INCOME> 28018
<REALIZED-GAINS-CURRENT> 1885
<APPREC-INCREASE-CURRENT> (6631)
<NET-CHANGE-FROM-OPS> 23272
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 175<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 251<F1>
<NUMBER-OF-SHARES-REDEEMED> 68<F1>
<SHARES-REINVESTED> 12<F1>
<NET-CHANGE-IN-ASSETS> 205014
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 122
<OVERDIST-NET-GAINS-PRIOR> 7201
<GROSS-ADVISORY-FEES> 2781
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3920
<AVERAGE-NET-ASSETS> 4588<F1>
<PER-SHARE-NAV-BEGIN> 10.600<F1>
<PER-SHARE-NII> .550<F1>
<PER-SHARE-GAIN-APPREC> (.100)<F1>
<PER-SHARE-DIVIDEND> .560<F1>
<PER-SHARE-DISTRIBUTIONS> 0<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.490<F1>
<EXPENSE-RATIO> 1.260<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 111
<NAME> EQUITY INDEX FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 305312
<INVESTMENTS-AT-VALUE> 391424
<RECEIVABLES> 1249
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 392673
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 0
<TOTAL-LIABILITIES> 891
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 303532
<SHARES-COMMON-STOCK> 19269<F2>
<SHARES-COMMON-PRIOR> 16747<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 405
<ACCUMULATED-NET-GAINS> 2450
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 86205
<NET-ASSETS> 391782
<DIVIDEND-INCOME> 6339
<INTEREST-INCOME> 888
<OTHER-INCOME> 28
<EXPENSES-NET> 1056
<NET-INVESTMENT-INCOME> 6199
<REALIZED-GAINS-CURRENT> 10186
<APPREC-INCREASE-CURRENT> 47556
<NET-CHANGE-FROM-OPS> 63941
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5943<F2>
<DISTRIBUTIONS-OF-GAINS> 8186<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 7069<F2>
<NUMBER-OF-SHARES-REDEEMED> 5207<F2>
<SHARES-REINVESTED> 660<F2>
<NET-CHANGE-IN-ASSETS> 152476
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1065
<OVERDISTRIB-NII-PRIOR> 232
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 876
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1924
<AVERAGE-NET-ASSETS> 265033<F2>
<PER-SHARE-NAV-BEGIN> 14.03<F2>
<PER-SHARE-NII> .33<F2>
<PER-SHARE-GAIN-APPREC> 3.16<F2>
<PER-SHARE-DIVIDEND> .34<F2>
<PER-SHARE-DISTRIBUTIONS> .52<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.66<F2>
<EXPENSE-RATIO> .30<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Fiduciary Share Class
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 112
<NAME> EQUITY INDEX FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 305312
<INVESTMENTS-AT-VALUE> 391424
<RECEIVABLES> 1249
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 392673
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 0
<TOTAL-LIABILITIES> 891
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 303532
<SHARES-COMMON-STOCK> 1931<F2>
<SHARES-COMMON-PRIOR> 214<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 405
<ACCUMULATED-NET-GAINS> 2450
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 86205
<NET-ASSETS> 391782
<DIVIDEND-INCOME> 6339
<INTEREST-INCOME> 888
<OTHER-INCOME> 28
<EXPENSES-NET> 1056
<NET-INVESTMENT-INCOME> 6199
<REALIZED-GAINS-CURRENT> 10186
<APPREC-INCREASE-CURRENT> 47556
<NET-CHANGE-FROM-OPS> 63941
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5943<F2>
<DISTRIBUTIONS-OF-GAINS> 8186<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 7069<F2>
<NUMBER-OF-SHARES-REDEEMED> 5207<F2>
<SHARES-REINVESTED> 660<F2>
<NET-CHANGE-IN-ASSETS> 152476
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1065
<OVERDISTRIB-NII-PRIOR> 232
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 876
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1924
<AVERAGE-NET-ASSETS> 14094<F2>
<PER-SHARE-NAV-BEGIN> 14.02<F2>
<PER-SHARE-NII> .27<F2>
<PER-SHARE-GAIN-APPREC> 3.18<F2>
<PER-SHARE-DIVIDEND> .28<F2>
<PER-SHARE-DISTRIBUTIONS> .52<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.67<F2>
<EXPENSE-RATIO> .55<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Class A Shares
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 113
<NAME> EQUITY INDEX FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 305312
<INVESTMENTS-AT-VALUE> 391424
<RECEIVABLES> 1249
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 392673
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 0
<TOTAL-LIABILITIES> 891
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 303532
<SHARES-COMMON-STOCK> 2310<F2>
<SHARES-COMMON-PRIOR> 100<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 405
<ACCUMULATED-NET-GAINS> 2450
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 86205
<NET-ASSETS> 391782
<DIVIDEND-INCOME> 6339
<INTEREST-INCOME> 888
<OTHER-INCOME> 28
<EXPENSES-NET> 1056
<NET-INVESTMENT-INCOME> 6199
<REALIZED-GAINS-CURRENT> 10186
<APPREC-INCREASE-CURRENT> 47556
<NET-CHANGE-FROM-OPS> 63941
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 153<F2>
<DISTRIBUTIONS-OF-GAINS> 256<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 2232<F2>
<NUMBER-OF-SHARES-REDEEMED> 47<F2>
<SHARES-REINVESTED> 25<F2>
<NET-CHANGE-IN-ASSETS> 152476
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 1065
<OVERDISTRIB-NII-PRIOR> 232
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 876
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1924
<AVERAGE-NET-ASSETS> 12890<F2>
<PER-SHARE-NAV-BEGIN> 14.05<F2>
<PER-SHARE-NII> .16<F2>
<PER-SHARE-GAIN-APPREC> 3.16<F2>
<PER-SHARE-DIVIDEND> .17<F2>
<PER-SHARE-DISTRIBUTIONS> .52<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.68<F2>
<EXPENSE-RATIO> 1.30<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Class B Shares
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 121
<NAME> LARGE COMPANY VALUE FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 604175
<INVESTMENTS-AT-VALUE> 599949
<RECEIVABLES> 5449
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 605398
<PAYABLE-FOR-SECURITIES> 4613
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2743
<TOTAL-LIABILITIES> 7356
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 555124
<SHARES-COMMON-STOCK> 45543<F2>
<SHARES-COMMON-PRIOR> 0<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 114
<ACCUMULATED-NET-GAINS> 47238
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (4206)
<NET-ASSETS> 598042
<DIVIDEND-INCOME> 13341
<INTEREST-INCOME> 3900
<OTHER-INCOME> 58
<EXPENSES-NET> 4986
<NET-INVESTMENT-INCOME> 12313
<REALIZED-GAINS-CURRENT> 66494
<APPREC-INCREASE-CURRENT> (17058)
<NET-CHANGE-FROM-OPS> 61749
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 12259<F2>
<DISTRIBUTIONS-OF-GAINS> 46275<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 17295<F2>
<NUMBER-OF-SHARES-REDEEMED> 9049<F2>
<SHARES-REINVESTED> 594<F2>
<NET-CHANGE-IN-ASSETS> 226099
<ACCUMULATED-NII-PRIOR> 7
<ACCUMULATED-GAINS-PRIOR> 12852
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3764
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5026
<AVERAGE-NET-ASSETS> 499344<F2>
<PER-SHARE-NAV-BEGIN> 12.87<F2>
<PER-SHARE-NII> .31<F2>
<PER-SHARE-GAIN-APPREC> 1.20<F2>
<PER-SHARE-DIVIDEND> .31<F2>
<PER-SHARE-DISTRIBUTIONS> 1.24<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.83<F2>
<EXPENSE-RATIO> .97<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Fiduciary Share Class
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 122
<NAME> LARGE COMPANY VALUE FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 604175
<INVESTMENTS-AT-VALUE> 599949
<RECEIVABLES> 5449
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 605398
<PAYABLE-FOR-SECURITIES> 4613
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2743
<TOTAL-LIABILITIES> 7356
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 555124
<SHARES-COMMON-STOCK> 729<F2>
<SHARES-COMMON-PRIOR> 270<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 114
<ACCUMULATED-NET-GAINS> 47238
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (4206)
<NET-ASSETS> 598042
<DIVIDEND-INCOME> 13341
<INTEREST-INCOME> 3900
<OTHER-INCOME> 58
<EXPENSES-NET> 4986
<NET-INVESTMENT-INCOME> 12313
<REALIZED-GAINS-CURRENT> 66494
<APPREC-INCREASE-CURRENT> (17058)
<NET-CHANGE-FROM-OPS> 61749
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 143<F2>
<DISTRIBUTIONS-OF-GAINS> 631<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 815<F2>
<NUMBER-OF-SHARES-REDEEMED> 417<F2>
<SHARES-REINVESTED> 61<F2>
<NET-CHANGE-IN-ASSETS> 226099
<ACCUMULATED-NII-PRIOR> 7
<ACCUMULATED-GAINS-PRIOR> 12852
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3764
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5026
<AVERAGE-NET-ASSETS> 6772<F2>
<PER-SHARE-NAV-BEGIN> 12.89<F2>
<PER-SHARE-NII> .27<F2>
<PER-SHARE-GAIN-APPREC> 1.22<F2>
<PER-SHARE-DIVIDEND> .27<F2>
<PER-SHARE-DISTRIBUTIONS> 1.24<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.87<F2>
<EXPENSE-RATIO> 1.22<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 123
<NAME> LARGE COMPANY VALUE FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 604175
<INVESTMENTS-AT-VALUE> 599949
<RECEIVABLES> 5449
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 605398
<PAYABLE-FOR-SECURITIES> 4613
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2743
<TOTAL-LIABILITIES> 7356
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 555124
<SHARES-COMMON-STOCK> 318<F2>
<SHARES-COMMON-PRIOR> 66<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 114
<ACCUMULATED-NET-GAINS> 47238
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (4206)
<NET-ASSETS> 598042
<DIVIDEND-INCOME> 13341
<INTEREST-INCOME> 3900
<OTHER-INCOME> 58
<EXPENSES-NET> 4986
<NET-INVESTMENT-INCOME> 12313
<REALIZED-GAINS-CURRENT> 66494
<APPREC-INCREASE-CURRENT> (17058)
<NET-CHANGE-FROM-OPS> 61749
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 32<F2>
<DISTRIBUTIONS-OF-GAINS> 183<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 262<F2>
<NUMBER-OF-SHARES-REDEEMED> 26<F2>
<SHARES-REINVESTED> 16<F2>
<NET-CHANGE-IN-ASSETS> 226099
<ACCUMULATED-NII-PRIOR> 7
<ACCUMULATED-GAINS-PRIOR> 12852
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3764
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5026
<AVERAGE-NET-ASSETS> 2258<F2>
<PER-SHARE-NAV-BEGIN> 12.96<F2>
<PER-SHARE-NII> .18<F2>
<PER-SHARE-GAIN-APPREC> 1.26<F2>
<PER-SHARE-DIVIDEND> .18<F2>
<PER-SHARE-DISTRIBUTIONS> 1.24<F2>
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.98<F2>
<EXPENSE-RATIO> 1.97<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 131
<NAME> THE ONE GROUP OHIO MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 100675
<INVESTMENTS-AT-VALUE> 104955
<RECEIVABLES> 1774
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 106729
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 757
<TOTAL-LIABILITIES> 757
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 105650
<SHARES-COMMON-STOCK> 7540<F1>
<SHARES-COMMON-PRIOR> 7153<F1>
<ACCUMULATED-NII-CURRENT> 8
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 3966
<ACCUM-APPREC-OR-DEPREC> 4280
<NET-ASSETS> 105972
<DIVIDEND-INCOME> 85
<INTEREST-INCOME> 5574
<OTHER-INCOME> 0
<EXPENSES-NET> 649
<NET-INVESTMENT-INCOME> 5010
<REALIZED-GAINS-CURRENT> (253)
<APPREC-INCREASE-CURRENT> 483
<NET-CHANGE-FROM-OPS> 5240
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4102<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 1528<F1>
<NUMBER-OF-SHARES-REDEEMED> 1523<F1>
<SHARES-REINVESTED> 23<F1>
<NET-CHANGE-IN-ASSETS> 10764
<ACCUMULATED-NII-PRIOR> 8
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 3774
<GROSS-ADVISORY-FEES> 586
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1044
<AVERAGE-NET-ASSETS> 79305<F1>
<PER-SHARE-NAV-BEGIN> 10.650<F1>
<PER-SHARE-NII> .560<F1>
<PER-SHARE-GAIN-APPREC> .040<F1>
<PER-SHARE-DIVIDEND> .560<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.690<F1>
<EXPENSE-RATIO> .570<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 132
<NAME> THE ONE GROUP OHIO MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 100675
<INVESTMENTS-AT-VALUE> 104955
<RECEIVABLES> 1774
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 106729
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 757
<TOTAL-LIABILITIES> 757
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 105650
<SHARES-COMMON-STOCK> 1540<F1>
<SHARES-COMMON-PRIOR> 1219<F1>
<ACCUMULATED-NII-CURRENT> 8
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 3966
<ACCUM-APPREC-OR-DEPREC> 4280
<NET-ASSETS> 105972
<DIVIDEND-INCOME> 85
<INTEREST-INCOME> 5574
<OTHER-INCOME> 0
<EXPENSES-NET> 649
<NET-INVESTMENT-INCOME> 5010
<REALIZED-GAINS-CURRENT> (253)
<APPREC-INCREASE-CURRENT> 483
<NET-CHANGE-FROM-OPS> 5240
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 670<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 539<F1>
<NUMBER-OF-SHARES-REDEEMED> 167<F1>
<SHARES-REINVESTED> 44<F1>
<NET-CHANGE-IN-ASSETS> 10764
<ACCUMULATED-NII-PRIOR> 8
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 3774
<GROSS-ADVISORY-FEES> 586
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1044
<AVERAGE-NET-ASSETS> 13604<F1>
<PER-SHARE-NAV-BEGIN> 10.680<F1>
<PER-SHARE-NII> .550<F1>
<PER-SHARE-GAIN-APPREC> .030<F1>
<PER-SHARE-DIVIDEND> .540<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.720<F1>
<EXPENSE-RATIO> .820<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 133
<NAME> THE ONE GROUP OHIO MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 100675
<INVESTMENTS-AT-VALUE> 104955
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<TOTAL-ASSETS> 106729
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<OTHER-ITEMS-LIABILITIES> 757
<TOTAL-LIABILITIES> 757
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 105650
<SHARES-COMMON-STOCK> 820<F1>
<SHARES-COMMON-PRIOR> 463<F1>
<ACCUMULATED-NII-CURRENT> 8
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<OVERDISTRIBUTION-GAINS> 3966
<ACCUM-APPREC-OR-DEPREC> 4280
<NET-ASSETS> 105972
<DIVIDEND-INCOME> 85
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<EXPENSES-NET> 649
<NET-INVESTMENT-INCOME> 5010
<REALIZED-GAINS-CURRENT> (253)
<APPREC-INCREASE-CURRENT> 483
<NET-CHANGE-FROM-OPS> 5240
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 238<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
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<NUMBER-OF-SHARES-SOLD> 561<F1>
<NUMBER-OF-SHARES-REDEEMED> 54<F1>
<SHARES-REINVESTED> 15<F1>
<NET-CHANGE-IN-ASSETS> 10764
<ACCUMULATED-NII-PRIOR> 8
<ACCUMULATED-GAINS-PRIOR> 0
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<OVERDIST-NET-GAINS-PRIOR> 3774
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1044
<AVERAGE-NET-ASSETS> 5551<F1>
<PER-SHARE-NAV-BEGIN> 10.750<F1>
<PER-SHARE-NII> .480<F1>
<PER-SHARE-GAIN-APPREC> .030<F1>
<PER-SHARE-DIVIDEND> .470<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.790<F1>
<EXPENSE-RATIO> 1.470<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 141
<NAME> THE ONE GROUP INTERNATIONAL EQUITY INDEX FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 323827
<INVESTMENTS-AT-VALUE> 363102
<RECEIVABLES> 8149
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<TOTAL-ASSETS> 373070
<PAYABLE-FOR-SECURITIES> 7608
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<OTHER-ITEMS-LIABILITIES> 1027
<TOTAL-LIABILITIES> 8635
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 321819
<SHARES-COMMON-STOCK> 22921<F1>
<SHARES-COMMON-PRIOR> 15680<F1>
<ACCUMULATED-NII-CURRENT> 1395
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1893
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 39328
<NET-ASSETS> 364435
<DIVIDEND-INCOME> 6421
<INTEREST-INCOME> 248
<OTHER-INCOME> (877)
<EXPENSES-NET> 2852
<NET-INVESTMENT-INCOME> 2940
<REALIZED-GAINS-CURRENT> 1467
<APPREC-INCREASE-CURRENT> 26748
<NET-CHANGE-FROM-OPS> 31155
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 3254<F1>
<DISTRIBUTIONS-OF-GAINS> 2147<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 10623<F1>
<NUMBER-OF-SHARES-REDEEMED> 3542<F1>
<SHARES-REINVESTED> 160<F1>
<NET-CHANGE-IN-ASSETS> 137421
<ACCUMULATED-NII-PRIOR> 2643
<ACCUMULATED-GAINS-PRIOR> 2003
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1584
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2951
<AVERAGE-NET-ASSETS> 276248<F1>
<PER-SHARE-NAV-BEGIN> 13.930<F1>
<PER-SHARE-NII> .110<F1>
<PER-SHARE-GAIN-APPREC> 1.430<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .300<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 15.170<F1>
<EXPENSE-RATIO> .970<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 142
<NAME> THE ONE GROUP INTERNATIONAL EQUITY INDEX FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 323827
<INVESTMENTS-AT-VALUE> 363102
<RECEIVABLES> 8149
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<PAYABLE-FOR-SECURITIES> 7608
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1027
<TOTAL-LIABILITIES> 8635
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 321819
<SHARES-COMMON-STOCK> 712<F1>
<SHARES-COMMON-PRIOR> 361<F1>
<ACCUMULATED-NII-CURRENT> 1395
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1893
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 39328
<NET-ASSETS> 364435
<DIVIDEND-INCOME> 6421
<INTEREST-INCOME> 248
<OTHER-INCOME> (877)
<EXPENSES-NET> 2852
<NET-INVESTMENT-INCOME> 2940
<REALIZED-GAINS-CURRENT> 1467
<APPREC-INCREASE-CURRENT> 26748
<NET-CHANGE-FROM-OPS> 31155
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 83<F1>
<DISTRIBUTIONS-OF-GAINS> 55<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 484<F1>
<NUMBER-OF-SHARES-REDEEMED> 143<F1>
<SHARES-REINVESTED> 10<F1>
<NET-CHANGE-IN-ASSETS> 137421
<ACCUMULATED-NII-PRIOR> 2643
<ACCUMULATED-GAINS-PRIOR> 2003
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1584
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2951
<AVERAGE-NET-ASSETS> 7201<F1>
<PER-SHARE-NAV-BEGIN> 13.920<F1>
<PER-SHARE-NII> .140<F1>
<PER-SHARE-GAIN-APPREC> 1.400<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .300<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 15.160<F1>
<EXPENSE-RATIO> 1.220<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 143
<NAME> THE ONE GROUP INTERNATIONAL EQUITY INDEX FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 323827
<INVESTMENTS-AT-VALUE> 363102
<RECEIVABLES> 8149
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 321819
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<SHARES-COMMON-PRIOR> 269<F1>
<ACCUMULATED-NII-CURRENT> 1395
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1893
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 39328
<NET-ASSETS> 364435
<DIVIDEND-INCOME> 6421
<INTEREST-INCOME> 248
<OTHER-INCOME> (877)
<EXPENSES-NET> 2852
<NET-INVESTMENT-INCOME> 2940
<REALIZED-GAINS-CURRENT> 1467
<APPREC-INCREASE-CURRENT> 26748
<NET-CHANGE-FROM-OPS> 31155
<EQUALIZATION> 0
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<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 179<F1>
<NUMBER-OF-SHARES-REDEEMED> 57<F1>
<SHARES-REINVESTED> 5<F1>
<NET-CHANGE-IN-ASSETS> 137421
<ACCUMULATED-NII-PRIOR> 2643
<ACCUMULATED-GAINS-PRIOR> 2003
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1584
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2951
<AVERAGE-NET-ASSETS> 4402<F1>
<PER-SHARE-NAV-BEGIN> 13.730<F1>
<PER-SHARE-NII> .030<F1>
<PER-SHARE-GAIN-APPREC> 1.320<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .290<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 14.790<F1>
<EXPENSE-RATIO> 1.970<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 150
<NAME> THE ONE GROUP TREASURY ONLY MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
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<INVESTMENTS-AT-COST> 414057
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<NET-ASSETS> 415961
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 19404
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<EXPENSES-NET> 607
<NET-INVESTMENT-INCOME> 18797
<REALIZED-GAINS-CURRENT> (76)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 18721
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<NUMBER-OF-SHARES-REDEEMED> 1010723
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<PER-SHARE-NII> .052
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<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> .170
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 160
<NAME> THE ONE GROUP GOVERNMENT MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 607004
<INVESTMENTS-AT-VALUE> 607004
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 855679
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<SHARES-COMMON-PRIOR> 720773
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<OVERDISTRIBUTION-GAINS> 66
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 855613
<DIVIDEND-INCOME> 0
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<EXPENSES-NET> 1402
<NET-INVESTMENT-INCOME> 42135
<REALIZED-GAINS-CURRENT> 8
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 42143
<EQUALIZATION> 0
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<NUMBER-OF-SHARES-SOLD> 2638822
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<NET-CHANGE-IN-ASSETS> 134914
<ACCUMULATED-NII-PRIOR> 0
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<OVERDIST-NET-GAINS-PRIOR> 74
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<GROSS-EXPENSE> 1407
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<PER-SHARE-NAV-BEGIN> 1.000
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<PER-SHARE-DIVIDEND> .055
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<RETURNS-OF-CAPITAL> .000
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> .180
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 171
<NAME> ASSET ALLOCATION FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 83029
<INVESTMENTS-AT-VALUE> 87354
<RECEIVABLES> 780
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<TOTAL-ASSETS> 88170
<PAYABLE-FOR-SECURITIES> 1022
<SENIOR-LONG-TERM-DEBT> 0
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<TOTAL-LIABILITIES> 1423
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 79288
<SHARES-COMMON-STOCK> 4299<F2>
<SHARES-COMMON-PRIOR> 3509<F2>
<ACCUMULATED-NII-CURRENT> 19
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3058
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4382
<NET-ASSETS> 86747
<DIVIDEND-INCOME> 587
<INTEREST-INCOME> 2166
<OTHER-INCOME> 16
<EXPENSES-NET> 679
<NET-INVESTMENT-INCOME> 2090
<REALIZED-GAINS-CURRENT> 4144
<APPREC-INCREASE-CURRENT> 1631
<NET-CHANGE-FROM-OPS> 7865
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1520<F2>
<DISTRIBUTIONS-OF-GAINS> 640<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 20364<F2>
<NUMBER-OF-SHARES-REDEEMED> 13065<F2>
<SHARES-REINVESTED> 1810<F2>
<NET-CHANGE-IN-ASSETS> 41325
<ACCUMULATED-NII-PRIOR> 8
<ACCUMULATED-GAINS-PRIOR> <204>
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 841
<AVERAGE-NET-ASSETS> 42300<F2>
<PER-SHARE-NAV-BEGIN> 10.73<F2>
<PER-SHARE-NII> .41<F2>
<PER-SHARE-GAIN-APPREC> 1.16<F2>
<PER-SHARE-DIVIDEND> .41<F2>
<PER-SHARE-DISTRIBUTIONS> .18<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 11.71<F2>
<EXPENSE-RATIO> .94<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Fiduciary Share Class
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 172
<NAME> ASSET ALLOCATION FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 83029
<INVESTMENTS-AT-VALUE> 87354
<RECEIVABLES> 780
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<TOTAL-ASSETS> 88170
<PAYABLE-FOR-SECURITIES> 1022
<SENIOR-LONG-TERM-DEBT> 0
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<TOTAL-LIABILITIES> 1423
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 79288
<SHARES-COMMON-STOCK> 1523<F2>
<SHARES-COMMON-PRIOR> 442<F2>
<ACCUMULATED-NII-CURRENT> 19
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3058
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4382
<NET-ASSETS> 86747
<DIVIDEND-INCOME> 587
<INTEREST-INCOME> 2166
<OTHER-INCOME> 16
<EXPENSES-NET> 679
<NET-INVESTMENT-INCOME> 2090
<REALIZED-GAINS-CURRENT> 4144
<APPREC-INCREASE-CURRENT> 1631
<NET-CHANGE-FROM-OPS> 7865
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 343<F2>
<DISTRIBUTIONS-OF-GAINS> 143<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 1241<F2>
<NUMBER-OF-SHARES-REDEEMED> 198<F2>
<SHARES-REINVESTED> 38<F2>
<NET-CHANGE-IN-ASSETS> 41325
<ACCUMULATED-NII-PRIOR> 8
<ACCUMULATED-GAINS-PRIOR> <204>
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 398
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 841
<AVERAGE-NET-ASSETS> 10413<F2>
<PER-SHARE-NAV-BEGIN> 10.74<F2>
<PER-SHARE-NII> .37<F2>
<PER-SHARE-GAIN-APPREC> 1.16<F2>
<PER-SHARE-DIVIDEND> .37<F2>
<PER-SHARE-DISTRIBUTIONS> .18<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 11.72<F2>
<EXPENSE-RATIO> 1.19<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Class A Shares
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 173
<NAME> ASSET ALLOCATION FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
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<INVESTMENTS-AT-COST> 83029
<INVESTMENTS-AT-VALUE> 87354
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<TOTAL-ASSETS> 88170
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<TOTAL-LIABILITIES> 1423
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 79288
<SHARES-COMMON-STOCK> 1580<F2>
<SHARES-COMMON-PRIOR> 281<F2>
<ACCUMULATED-NII-CURRENT> 19
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3058
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 4382
<NET-ASSETS> 86747
<DIVIDEND-INCOME> 587
<INTEREST-INCOME> 2166
<OTHER-INCOME> 16
<EXPENSES-NET> 679
<NET-INVESTMENT-INCOME> 2090
<REALIZED-GAINS-CURRENT> 4144
<APPREC-INCREASE-CURRENT> 1631
<NET-CHANGE-FROM-OPS> 7865
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 216<F2>
<DISTRIBUTIONS-OF-GAINS> 99<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 1349<F2>
<NUMBER-OF-SHARES-REDEEMED> 74<F2>
<SHARES-REINVESTED> 24<F2>
<NET-CHANGE-IN-ASSETS> 41325
<ACCUMULATED-NII-PRIOR> 8
<ACCUMULATED-GAINS-PRIOR> <204>
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 398
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 841
<AVERAGE-NET-ASSETS> 8521<F2>
<PER-SHARE-NAV-BEGIN> 10.76<F2>
<PER-SHARE-NII> .28<F2>
<PER-SHARE-GAIN-APPREC> 1.18<F2>
<PER-SHARE-DIVIDEND> .28<F2>
<PER-SHARE-DISTRIBUTIONS> .18<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 11.76<F2>
<EXPENSE-RATIO> 1.94<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<F2>Class B Shares
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 181
<NAME> THE ONE GROUP GOVERNMENT BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 733350
<INVESTMENTS-AT-VALUE> 729159
<RECEIVABLES> 7830
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<TOTAL-ASSETS> 736994
<PAYABLE-FOR-SECURITIES> 5289
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4797
<TOTAL-LIABILITIES> 10086
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 752154
<SHARES-COMMON-STOCK> 70842<F1>
<SHARES-COMMON-PRIOR> 41050<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 325
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 20043
<ACCUM-APPREC-OR-DEPREC> (4878)
<NET-ASSETS> 726908
<DIVIDEND-INCOME> 25
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<OTHER-INCOME> 178
<EXPENSES-NET> 3521
<NET-INVESTMENT-INCOME> 31623
<REALIZED-GAINS-CURRENT> 2769
<APPREC-INCREASE-CURRENT> (2769)
<NET-CHANGE-FROM-OPS> (15409)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 30195<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 44220<F1>
<NUMBER-OF-SHARES-REDEEMED> 12833<F1>
<SHARES-REINVESTED> 735<F1>
<NET-CHANGE-IN-ASSETS> 336439
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 301
<OVERDIST-NET-GAINS-PRIOR> 12952
<GROSS-ADVISORY-FEES> 2253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3634
<AVERAGE-NET-ASSETS> 476509<F1>
<PER-SHARE-NAV-BEGIN> 9.810<F1>
<PER-SHARE-NII> .620<F1>
<PER-SHARE-GAIN-APPREC> (.250)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .620<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.560<F1>
<EXPENSE-RATIO> .680<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 182
<NAME> THE ONE GROUP GOVERNMENT BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 733350
<INVESTMENTS-AT-VALUE> 729159
<RECEIVABLES> 7830
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4797
<TOTAL-LIABILITIES> 10086
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 752154
<SHARES-COMMON-STOCK> 4056<F1>
<SHARES-COMMON-PRIOR> 1116<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 325
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 20043
<ACCUM-APPREC-OR-DEPREC> (4878)
<NET-ASSETS> 726908
<DIVIDEND-INCOME> 25
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<OTHER-INCOME> 178
<EXPENSES-NET> 3521
<NET-INVESTMENT-INCOME> 31623
<REALIZED-GAINS-CURRENT> 2769
<APPREC-INCREASE-CURRENT> (2769)
<NET-CHANGE-FROM-OPS> (15409)
<EQUALIZATION> 0
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<NUMBER-OF-SHARES-SOLD> 31613<F1>
<NUMBER-OF-SHARES-REDEEMED> 28451<F1>
<SHARES-REINVESTED> 66<F1>
<NET-CHANGE-IN-ASSETS> 336439
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 301
<OVERDIST-NET-GAINS-PRIOR> 12952
<GROSS-ADVISORY-FEES> 2253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3634
<AVERAGE-NET-ASSETS> 17971<F1>
<PER-SHARE-NAV-BEGIN> 9.810<F1>
<PER-SHARE-NII> .600<F1>
<PER-SHARE-GAIN-APPREC> (.250)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .600<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.560<F1>
<EXPENSE-RATIO> .930<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 183
<NAME> THE ONE GROUP GOVERNMENT BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 733350
<INVESTMENTS-AT-VALUE> 729159
<RECEIVABLES> 7830
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<TOTAL-ASSETS> 736994
<PAYABLE-FOR-SECURITIES> 5289
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4797
<TOTAL-LIABILITIES> 10086
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 752154
<SHARES-COMMON-STOCK> 1128<F1>
<SHARES-COMMON-PRIOR> 500<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 325
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 20043
<ACCUM-APPREC-OR-DEPREC> (4878)
<NET-ASSETS> 726908
<DIVIDEND-INCOME> 25
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<OTHER-INCOME> 178
<EXPENSES-NET> 3521
<NET-INVESTMENT-INCOME> 31623
<REALIZED-GAINS-CURRENT> 2769
<APPREC-INCREASE-CURRENT> (2769)
<NET-CHANGE-FROM-OPS> (15409)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 324<F1>
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<NUMBER-OF-SHARES-SOLD> 951<F1>
<NUMBER-OF-SHARES-REDEEMED> 99<F1>
<SHARES-REINVESTED> 20<F1>
<NET-CHANGE-IN-ASSETS> 336439
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<OVERDIST-NET-GAINS-PRIOR> 12952
<GROSS-ADVISORY-FEES> 2253
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3634
<AVERAGE-NET-ASSETS> 5951<F1>
<PER-SHARE-NAV-BEGIN> 9.810<F1>
<PER-SHARE-NII> .540<F1>
<PER-SHARE-GAIN-APPREC> (.250)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .540<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.560<F1>
<EXPENSE-RATIO> 1.580<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 191
<NAME> THE ONE GROUP GOVERNMENT ARM FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 66003
<INVESTMENTS-AT-VALUE> 65541
<RECEIVABLES> 786
<ASSETS-OTHER> 8
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<TOTAL-ASSETS> 66335
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<OTHER-ITEMS-LIABILITIES> 462
<TOTAL-LIABILITIES> 3946
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 66978
<SHARES-COMMON-STOCK> 5853<F1>
<SHARES-COMMON-PRIOR> 4109<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 313
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 3772
<ACCUM-APPREC-OR-DEPREC> (504)
<NET-ASSETS> 62389
<DIVIDEND-INCOME> 0
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<EXPENSES-NET> 243
<NET-INVESTMENT-INCOME> 3180
<REALIZED-GAINS-CURRENT> (594)
<APPREC-INCREASE-CURRENT> 150
<NET-CHANGE-FROM-OPS> 2736
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2924<F1>
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<NUMBER-OF-SHARES-SOLD> 3560<F1>
<NUMBER-OF-SHARES-REDEEMED> 2989<F1>
<SHARES-REINVESTED> 94<F1>
<NET-CHANGE-IN-ASSETS> 6548
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 207
<OVERDIST-NET-GAINS-PRIOR> 3579
<GROSS-ADVISORY-FEES> 283
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 559
<AVERAGE-NET-ASSETS> 48746<F1>
<PER-SHARE-NAV-BEGIN> 9.840<F1>
<PER-SHARE-NII> .620<F1>
<PER-SHARE-GAIN-APPREC> (.070)<F1>
<PER-SHARE-DIVIDEND> .600<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.790<F1>
<EXPENSE-RATIO> .450<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 192
<NAME> THE ONE GROUP GOVERNMENT ARM FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 66003
<INVESTMENTS-AT-VALUE> 65541
<RECEIVABLES> 786
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<TOTAL-ASSETS> 66335
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 462
<TOTAL-LIABILITIES> 3946
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 66978
<SHARES-COMMON-STOCK> 406<F1>
<SHARES-COMMON-PRIOR> 148<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 313
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 3772
<ACCUM-APPREC-OR-DEPREC> (504)
<NET-ASSETS> 62389
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 3423
<OTHER-INCOME> 0
<EXPENSES-NET> 243
<NET-INVESTMENT-INCOME> 3180
<REALIZED-GAINS-CURRENT> (594)
<APPREC-INCREASE-CURRENT> 150
<NET-CHANGE-FROM-OPS> 2736
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 129<F1>
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<NUMBER-OF-SHARES-REDEEMED> 344<F1>
<SHARES-REINVESTED> 10<F1>
<NET-CHANGE-IN-ASSETS> 6548
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 207
<OVERDIST-NET-GAINS-PRIOR> 3579
<GROSS-ADVISORY-FEES> 283
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 559
<AVERAGE-NET-ASSETS> 2248<F1>
<PER-SHARE-NAV-BEGIN> 9.830<F1>
<PER-SHARE-NII> .580<F1>
<PER-SHARE-GAIN-APPREC> (.060)<F1>
<PER-SHARE-DIVIDEND> .570<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.780<F1>
<EXPENSE-RATIO> .700<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 193
<NAME> THE ONE GROUP GOVERNMENT ARM FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 66003
<INVESTMENTS-AT-VALUE> 65541
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<TOTAL-ASSETS> 66335
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 66978
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<SHARES-COMMON-PRIOR> 18<F1>
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<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 3772
<ACCUM-APPREC-OR-DEPREC> (504)
<NET-ASSETS> 62389
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<EXPENSES-NET> 243
<NET-INVESTMENT-INCOME> 3180
<REALIZED-GAINS-CURRENT> (594)
<APPREC-INCREASE-CURRENT> 150
<NET-CHANGE-FROM-OPS> 2736
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<NUMBER-OF-SHARES-REDEEMED> 5<F1>
<SHARES-REINVESTED> 1<F1>
<NET-CHANGE-IN-ASSETS> 6548
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
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<OVERDIST-NET-GAINS-PRIOR> 3579
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 559
<AVERAGE-NET-ASSETS> 444<F1>
<PER-SHARE-NAV-BEGIN> 9.840<F1>
<PER-SHARE-NII> .520<F1>
<PER-SHARE-GAIN-APPREC> (.070)<F1>
<PER-SHARE-DIVIDEND> .530<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.760<F1>
<EXPENSE-RATIO> 1.200<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 201
<NAME> THE ONE GROUP MUNICIPAL INCOME FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 291275
<INVESTMENTS-AT-VALUE> 291562
<RECEIVABLES> 7254
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 298822
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2731
<TOTAL-LIABILITIES> 8716
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 297878
<SHARES-COMMON-STOCK> 24956<F1>
<SHARES-COMMON-PRIOR> 21360<F1>
<ACCUMULATED-NII-CURRENT> 20
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 8079
<ACCUM-APPREC-OR-DEPREC> 287
<NET-ASSETS> 290106
<DIVIDEND-INCOME> 82
<INTEREST-INCOME> 15260
<OTHER-INCOME> 0
<EXPENSES-NET> 1561
<NET-INVESTMENT-INCOME> 13781
<REALIZED-GAINS-CURRENT> (2505)
<APPREC-INCREASE-CURRENT> 1176
<NET-CHANGE-FROM-OPS> 12452
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 12119<F1>
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<NUMBER-OF-SHARES-SOLD> 10330<F1>
<NUMBER-OF-SHARES-REDEEMED> 4649<F1>
<SHARES-REINVESTED> 86<F1>
<NET-CHANGE-IN-ASSETS> 84402
<ACCUMULATED-NII-PRIOR> 19
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 6399
<GROSS-ADVISORY-FEES> 1103
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2068
<AVERAGE-NET-ASSETS> 212502<F1>
<PER-SHARE-NAV-BEGIN> 9.690<F1>
<PER-SHARE-NII> .560<F1>
<PER-SHARE-GAIN-APPREC> (.030)<F1>
<PER-SHARE-DIVIDEND> .560<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.660<F1>
<EXPENSE-RATIO> .560<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 202
<NAME> THE ONE GROUP MUNICIPAL INCOME FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
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<INVESTMENTS-AT-COST> 291275
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<TOTAL-LIABILITIES> 8716
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 297878
<SHARES-COMMON-STOCK> 2662<F1>
<SHARES-COMMON-PRIOR> 1735<F1>
<ACCUMULATED-NII-CURRENT> 20
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 8079
<ACCUM-APPREC-OR-DEPREC> 287
<NET-ASSETS> 290106
<DIVIDEND-INCOME> 82
<INTEREST-INCOME> 15260
<OTHER-INCOME> 0
<EXPENSES-NET> 1561
<NET-INVESTMENT-INCOME> 13781
<REALIZED-GAINS-CURRENT> (2505)
<APPREC-INCREASE-CURRENT> 1176
<NET-CHANGE-FROM-OPS> 12452
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 996<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 1933<F1>
<NUMBER-OF-SHARES-REDEEMED> 522<F1>
<SHARES-REINVESTED> 72<F1>
<NET-CHANGE-IN-ASSETS> 84402
<ACCUMULATED-NII-PRIOR> 19
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 6399
<GROSS-ADVISORY-FEES> 1103
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2068
<AVERAGE-NET-ASSETS> 18334<F1>
<PER-SHARE-NAV-BEGIN> 9.720<F1>
<PER-SHARE-NII> .550<F1>
<PER-SHARE-GAIN-APPREC> (.040)<F1>
<PER-SHARE-DIVIDEND> .540<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.690<F1>
<EXPENSE-RATIO> .810<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 203
<NAME> THE ONE GROUP MUNICIPAL INCOME FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 291275
<INVESTMENTS-AT-VALUE> 291562
<RECEIVABLES> 7254
<ASSETS-OTHER> 6
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 298822
<PAYABLE-FOR-SECURITIES> 5985
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2731
<TOTAL-LIABILITIES> 8716
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 297878
<SHARES-COMMON-STOCK> 2403<F1>
<SHARES-COMMON-PRIOR> 1232<F1>
<ACCUMULATED-NII-CURRENT> 20
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 8079
<ACCUM-APPREC-OR-DEPREC> 287
<NET-ASSETS> 290106
<DIVIDEND-INCOME> 82
<INTEREST-INCOME> 15260
<OTHER-INCOME> 0
<EXPENSES-NET> 1561
<NET-INVESTMENT-INCOME> 13781
<REALIZED-GAINS-CURRENT> (2505)
<APPREC-INCREASE-CURRENT> 1176
<NET-CHANGE-FROM-OPS> 12452
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 666<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 1612<F1>
<NUMBER-OF-SHARES-REDEEMED> 108<F1>
<SHARES-REINVESTED> 40<F1>
<NET-CHANGE-IN-ASSETS> 84402
<ACCUMULATED-NII-PRIOR> 19
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 6399
<GROSS-ADVISORY-FEES> 1103
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2068
<AVERAGE-NET-ASSETS> 13913<F1>
<PER-SHARE-NAV-BEGIN> 9.690<F1>
<PER-SHARE-NII> .470<F1>
<PER-SHARE-GAIN-APPREC> (.030)<F1>
<PER-SHARE-DIVIDEND> .470<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.660<F1>
<EXPENSE-RATIO> 1.460<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 211
<NAME> THE ONE GROUP OHIO MUNICIPAL MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 96754
<INVESTMENTS-AT-VALUE> 96754
<RECEIVABLES> 626
<ASSETS-OTHER> 2
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 97382
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 335
<TOTAL-LIABILITIES> 335
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 97098
<SHARES-COMMON-STOCK> 55946<F1>
<SHARES-COMMON-PRIOR> 51806<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 51
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 97047
<DIVIDEND-INCOME> 43
<INTEREST-INCOME> 3394
<OTHER-INCOME> 0
<EXPENSES-NET> 496
<NET-INVESTMENT-INCOME> 2941
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 2941
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1610<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 165403<F1>
<NUMBER-OF-SHARES-REDEEMED> 161325<F1>
<SHARES-REINVESTED> 62<F1>
<NET-CHANGE-IN-ASSETS> 9451
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 10
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 286
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 823
<AVERAGE-NET-ASSETS> 49562<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .033<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .033<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .410<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 212
<NAME> THE ONE GROUP OHIO MUNICIPAL MONEY MARKET FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 96754
<INVESTMENTS-AT-VALUE> 96754
<RECEIVABLES> 626
<ASSETS-OTHER> 2
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 97382
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 335
<TOTAL-LIABILITIES> 335
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 97098
<SHARES-COMMON-STOCK> 41152<F1>
<SHARES-COMMON-PRIOR> 35800<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 51
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 97047
<DIVIDEND-INCOME> 43
<INTEREST-INCOME> 3394
<OTHER-INCOME> 0
<EXPENSES-NET> 496
<NET-INVESTMENT-INCOME> 2941
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 2941
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 1372<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 172412<F1>
<NUMBER-OF-SHARES-REDEEMED> 168335<F1>
<SHARES-REINVESTED> 1275<F1>
<NET-CHANGE-IN-ASSETS> 9451
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 10
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 286
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 823
<AVERAGE-NET-ASSETS> 45783<F1>
<PER-SHARE-NAV-BEGIN> 1.000<F1>
<PER-SHARE-NII> .030<F1>
<PER-SHARE-GAIN-APPREC> .000<F1>
<PER-SHARE-DIVIDEND> .030<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 1.000<F1>
<EXPENSE-RATIO> .660<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 221
<NAME> THE ONE GROUP INTERMEDIATE BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 248425
<INVESTMENTS-AT-VALUE> 245651
<RECEIVABLES> 19022
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 254895
<PAYABLE-FOR-SECURITIES> 1991
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2309
<TOTAL-LIABILITIES> 4300
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 257643
<SHARES-COMMON-STOCK> 23457<F1>
<SHARES-COMMON-PRIOR> 21562<F1>
<ACCUMULATED-NII-CURRENT> 94
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 4368
<ACCUM-APPREC-OR-DEPREC> (2774)
<NET-ASSETS> 250595
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 16008
<OTHER-INCOME> 91
<EXPENSES-NET> 1282
<NET-INVESTMENT-INCOME> 14817
<REALIZED-GAINS-CURRENT> 1421
<APPREC-INCREASE-CURRENT> (5722)
<NET-CHANGE-FROM-OPS> 10516
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 14065<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 10266<F1>
<NUMBER-OF-SHARES-REDEEMED> 6200<F1>
<SHARES-REINVESTED> 296<F1>
<NET-CHANGE-IN-ASSETS> 54172
<ACCUMULATED-NII-PRIOR> 119
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 4475
<GROSS-ADVISORY-FEES> 1359
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2042
<AVERAGE-NET-ASSETS> 214376<F1>
<PER-SHARE-NAV-BEGIN> 10.010<F1>
<PER-SHARE-NII> .660<F1>
<PER-SHARE-GAIN-APPREC> (.170)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .660<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.840<F1>
<EXPENSE-RATIO> .540<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 222
<NAME> THE ONE GROUP INTERMEDIATE BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 248425
<INVESTMENTS-AT-VALUE> 245651
<RECEIVABLES> 19022
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 254895
<PAYABLE-FOR-SECURITIES> 1991
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2309
<TOTAL-LIABILITIES> 4300
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 257643
<SHARES-COMMON-STOCK> 1389<F1>
<SHARES-COMMON-PRIOR> 955<F1>
<ACCUMULATED-NII-CURRENT> 94
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 4368
<ACCUM-APPREC-OR-DEPREC> (2774)
<NET-ASSETS> 250595
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 16008
<OTHER-INCOME> 91
<EXPENSES-NET> 1282
<NET-INVESTMENT-INCOME> 14817
<REALIZED-GAINS-CURRENT> 1421
<APPREC-INCREASE-CURRENT> (5722)
<NET-CHANGE-FROM-OPS> 10516
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 607<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 1231<F1>
<NUMBER-OF-SHARES-REDEEMED> 373<F1>
<SHARES-REINVESTED> 39<F1>
<NET-CHANGE-IN-ASSETS> 54172
<ACCUMULATED-NII-PRIOR> 119
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 4475
<GROSS-ADVISORY-FEES> 1359
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2042
<AVERAGE-NET-ASSETS> 9582<F1>
<PER-SHARE-NAV-BEGIN> 10.040<F1>
<PER-SHARE-NII> .640<F1>
<PER-SHARE-GAIN-APPREC> (.170)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .640<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.870<F1>
<EXPENSE-RATIO> .790<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 223
<NAME> THE ONE GROUP INTERMEDIATE BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 248425
<INVESTMENTS-AT-VALUE> 245651
<RECEIVABLES> 19022
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 254895
<PAYABLE-FOR-SECURITIES> 1991
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2309
<TOTAL-LIABILITIES> 4300
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 257643
<SHARES-COMMON-STOCK> 618<F1>
<SHARES-COMMON-PRIOR> 200<F1>
<ACCUMULATED-NII-CURRENT> 94
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 4368
<ACCUM-APPREC-OR-DEPREC> (2774)
<NET-ASSETS> 250595
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 16008
<OTHER-INCOME> 91
<EXPENSES-NET> 1282
<NET-INVESTMENT-INCOME> 14817
<REALIZED-GAINS-CURRENT> 1421
<APPREC-INCREASE-CURRENT> (5722)
<NET-CHANGE-FROM-OPS> 10516
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 144<F1>
<DISTRIBUTIONS-OF-GAINS> 0<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 617<F1>
<NUMBER-OF-SHARES-REDEEMED> 34<F1>
<SHARES-REINVESTED> 8<F1>
<NET-CHANGE-IN-ASSETS> 54172
<ACCUMULATED-NII-PRIOR> 119
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 4475
<GROSS-ADVISORY-FEES> 1359
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2042
<AVERAGE-NET-ASSETS> 2522<F1>
<PER-SHARE-NAV-BEGIN> 10.010<F1>
<PER-SHARE-NII> .580<F1>
<PER-SHARE-GAIN-APPREC> (.180)<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .580<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.830<F1>
<EXPENSE-RATIO> 1.440<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 231
<NAME> THE ONE GROUP LARGE COMPANY GROWTH FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 717380
<INVESTMENTS-AT-VALUE> 876968
<RECEIVABLES> 2540
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 879509
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2148
<TOTAL-LIABILITIES> 2148
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 693730
<SHARES-COMMON-STOCK> 48320<F1>
<SHARES-COMMON-PRIOR> 39480<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 45
<ACCUMULATED-NET-GAINS> 41035
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 53991
<NET-ASSETS> 559617
<DIVIDEND-INCOME> 14838
<INTEREST-INCOME> 1068
<OTHER-INCOME> 74
<EXPENSES-NET> 7514
<NET-INVESTMENT-INCOME> 8466
<REALIZED-GAINS-CURRENT> 29317
<APPREC-INCREASE-CURRENT> 85542
<NET-CHANGE-FROM-OPS> 123325
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 7991<F1>
<DISTRIBUTIONS-OF-GAINS> 7625<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 17295<F1>
<NUMBER-OF-SHARES-REDEEMED> 9049<F1>
<SHARES-REINVESTED> 594<F1>
<NET-CHANGE-IN-ASSETS> 311420
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 3247
<OVERDISTRIB-NII-PRIOR> 10
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 5481
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 7810
<AVERAGE-NET-ASSETS> 662145<F1>
<PER-SHARE-NAV-BEGIN> 13.470<F1>
<PER-SHARE-NII> .180<F1>
<PER-SHARE-GAIN-APPREC> 2.140<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .350<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 15.440<F1>
<EXPENSE-RATIO> .960<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Class
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 232
<NAME> THE ONE GROUP LARGE COMPANY GROWTH FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 717380
<INVESTMENTS-AT-VALUE> 876968
<RECEIVABLES> 2540
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<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 879509
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2148
<TOTAL-LIABILITIES> 2148
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 693730
<SHARES-COMMON-STOCK> 4745<F1>
<SHARES-COMMON-PRIOR> 1983<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 45
<ACCUMULATED-NET-GAINS> 41035
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 53991
<NET-ASSETS> 559617
<DIVIDEND-INCOME> 14838
<INTEREST-INCOME> 1068
<OTHER-INCOME> 74
<EXPENSES-NET> 7514
<NET-INVESTMENT-INCOME> 8466
<REALIZED-GAINS-CURRENT> 29317
<APPREC-INCREASE-CURRENT> 85542
<NET-CHANGE-FROM-OPS> 123325
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 482<F1>
<DISTRIBUTIONS-OF-GAINS> 558<F1>
<DISTRIBUTIONS-OTHER> 0<F1>
<NUMBER-OF-SHARES-SOLD> 3373<F1>
<NUMBER-OF-SHARES-REDEEMED> 674<F1>
<SHARES-REINVESTED> 63<F1>
<NET-CHANGE-IN-ASSETS> 311420
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 3247
<OVERDISTRIB-NII-PRIOR> 10
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 5481
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 7810
<AVERAGE-NET-ASSETS> 51294<F1>
<PER-SHARE-NAV-BEGIN> 13.830<F1>
<PER-SHARE-NII> .140<F1>
<PER-SHARE-GAIN-APPREC> 2.170<F1>
<PER-SHARE-DIVIDEND> .000<F1>
<PER-SHARE-DISTRIBUTIONS> .310<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 15.830<F1>
<EXPENSE-RATIO> 1.210<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Class
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 233
<NAME> THE ONE GROUP LARGE COMPANY GROWTH FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 717380
<INVESTMENTS-AT-VALUE> 876968
<RECEIVABLES> 2540
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<PAID-IN-CAPITAL-COMMON> 693730
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<ACCUM-APPREC-OR-DEPREC> 53991
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<EXPENSES-NET> 7514
<NET-INVESTMENT-INCOME> 8466
<REALIZED-GAINS-CURRENT> 29317
<APPREC-INCREASE-CURRENT> 85542
<NET-CHANGE-FROM-OPS> 123325
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<DISTRIBUTIONS-OF-INCOME> 68<F1>
<DISTRIBUTIONS-OF-GAINS> 253<F1>
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<NUMBER-OF-SHARES-SOLD> 3229<F1>
<NUMBER-OF-SHARES-REDEEMED> 163<F1>
<SHARES-REINVESTED> 27<F1>
<NET-CHANGE-IN-ASSETS> 311420
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 3247
<OVERDISTRIB-NII-PRIOR> 10
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<GROSS-ADVISORY-FEES> 5481
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 7810
<AVERAGE-NET-ASSETS> 27569<F1>
<PER-SHARE-NAV-BEGIN> 13.630<F1>
<PER-SHARE-NII> .050<F1>
<PER-SHARE-GAIN-APPREC> 2.170<F1>
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<PER-SHARE-DISTRIBUTIONS> .220<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 15.630<F1>
<EXPENSE-RATIO> 1.960<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Class
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 241
<NAME> THE ONE GROUP KENTUCKY MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 39153
<INVESTMENTS-AT-VALUE> 39523
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<PAID-IN-CAPITAL-COMMON> 41380
<SHARES-COMMON-STOCK> 3018<F1>
<SHARES-COMMON-PRIOR> 3203<F1>
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<OVERDISTRIBUTION-GAINS> 1815
<ACCUM-APPREC-OR-DEPREC> 370
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<INTEREST-INCOME> 2128
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<EXPENSES-NET> 300
<NET-INVESTMENT-INCOME> 1845
<REALIZED-GAINS-CURRENT> (36)
<APPREC-INCREASE-CURRENT> 571
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<NUMBER-OF-SHARES-REDEEMED> 856<F1>
<SHARES-REINVESTED> 4<F1>
<NET-CHANGE-IN-ASSETS> (1482)
<ACCUMULATED-NII-PRIOR> 0
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<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 1856
<GROSS-ADVISORY-FEES> 241
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 445
<AVERAGE-NET-ASSETS> 31498<F1>
<PER-SHARE-NAV-BEGIN> 9.920<F1>
<PER-SHARE-NII> .500<F1>
<PER-SHARE-GAIN-APPREC> .120<F1>
<PER-SHARE-DIVIDEND> .500<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.040<F1>
<EXPENSE-RATIO> .680<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 242
<NAME> THE ONE GROUP KENTUCKY MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 39153
<INVESTMENTS-AT-VALUE> 39523
<RECEIVABLES> 684
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<NET-INVESTMENT-INCOME> 1845
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<APPREC-INCREASE-CURRENT> 571
<NET-CHANGE-FROM-OPS> 2380
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<NUMBER-OF-SHARES-SOLD> 48<F1>
<NUMBER-OF-SHARES-REDEEMED> 140<F1>
<SHARES-REINVESTED> 18<F1>
<NET-CHANGE-IN-ASSETS> (1482)
<ACCUMULATED-NII-PRIOR> 0
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<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 1856
<GROSS-ADVISORY-FEES> 241
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 445
<AVERAGE-NET-ASSETS> 8601<F1>
<PER-SHARE-NAV-BEGIN> 9.930<F1>
<PER-SHARE-NII> .440<F1>
<PER-SHARE-GAIN-APPREC> .120<F1>
<PER-SHARE-DIVIDEND> .440<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 10.050<F1>
<EXPENSE-RATIO> .930<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 243
<NAME> THE ONE GROUP KENTUCKY MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 39153
<INVESTMENTS-AT-VALUE> 39523
<RECEIVABLES> 684
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<OTHER-ITEMS-LIABILITIES> 272
<TOTAL-LIABILITIES> 272
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 41380
<SHARES-COMMON-STOCK> 146<F1>
<SHARES-COMMON-PRIOR> 24<F1>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 1815
<ACCUM-APPREC-OR-DEPREC> 370
<NET-ASSETS> 39935
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<INTEREST-INCOME> 2128
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<EXPENSES-NET> 300
<NET-INVESTMENT-INCOME> 1845
<REALIZED-GAINS-CURRENT> (36)
<APPREC-INCREASE-CURRENT> 571
<NET-CHANGE-FROM-OPS> 2380
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<NUMBER-OF-SHARES-REDEEMED> 1<F1>
<SHARES-REINVESTED> 1<F1>
<NET-CHANGE-IN-ASSETS> (1482)
<ACCUMULATED-NII-PRIOR> 0
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<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 1856
<GROSS-ADVISORY-FEES> 241
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 445
<AVERAGE-NET-ASSETS> 532<F1>
<PER-SHARE-NAV-BEGIN> 9.870<F1>
<PER-SHARE-NII> .380<F1>
<PER-SHARE-GAIN-APPREC> .130<F1>
<PER-SHARE-DIVIDEND> .390<F1>
<PER-SHARE-DISTRIBUTIONS> .000<F1>
<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.990<F1>
<EXPENSE-RATIO> 1.580<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 251
<NAME> THE ONE GROUP LOUISIANA MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 7-MOS
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 189709
<INVESTMENTS-AT-VALUE> 192835
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<PAID-IN-CAPITAL-COMMON> 190213
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<ACCUM-APPREC-OR-DEPREC> 3126
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<APPREC-INCREASE-CURRENT> (3198)
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<NUMBER-OF-SHARES-REDEEMED> 250<F1>
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<NET-CHANGE-IN-ASSETS> (15491)
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<GROSS-EXPENSE> 1052
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<PER-SHARE-NAV-BEGIN> 10.000<F1>
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<PER-SHARE-NAV-END> 9.930<F1>
<EXPENSE-RATIO> .710<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Fiduciary Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 252
<NAME> THE ONE GROUP LOUISIANA MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 7-MOS
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 189709
<INVESTMENTS-AT-VALUE> 192835
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 190213
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<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 596
<ACCUM-APPREC-OR-DEPREC> 3126
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<APPREC-INCREASE-CURRENT> (3198)
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<NUMBER-OF-SHARES-REDEEMED> 15630<F1>
<SHARES-REINVESTED> 85<F1>
<NET-CHANGE-IN-ASSETS> (15491)
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<GROSS-EXPENSE> 1052
<AVERAGE-NET-ASSETS> 56014<F1>
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<PER-SHARE-GAIN-APPREC> (.160)<F1>
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<AVG-DEBT-OUTSTANDING> 0
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<FN>
<F1>Class A Shares
</FN>
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 253
<NAME> THE ONE GROUP LOUISIANA MUNICIPAL BOND FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 7-MOS
<FISCAL-YEAR-END> JUN-30-1996
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<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 189709
<INVESTMENTS-AT-VALUE> 192835
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<PAID-IN-CAPITAL-COMMON> 190213
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<SHARES-COMMON-PRIOR> 196<F1>
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<OVERDISTRIBUTION-GAINS> 596
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<NET-ASSETS> 192743
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<SHARES-REINVESTED> 4<F1>
<NET-CHANGE-IN-ASSETS> (15491)
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<GROSS-EXPENSE> 1052
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<PER-SHARE-GAIN-APPREC> (.160)<F1>
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<RETURNS-OF-CAPITAL> .000<F1>
<PER-SHARE-NAV-END> 9.930<F1>
<EXPENSE-RATIO> 1.500<F1>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F1>Class B Shares
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 261
<NAME> GULF SOUTH GROWTH FUND
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<S> <C>
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<ACCUM-APPREC-OR-DEPREC> 22140
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<PER-SHARE-DISTRIBUTIONS> 0<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 10.75<F2>
<EXPENSE-RATIO> .96<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Fiduciary Share Class
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 271
<NAME> VALUE GROWTH FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 7-MOS
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 206479
<INVESTMENTS-AT-VALUE> 231863
<RECEIVABLES> 821
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 232684
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 815
<TOTAL-LIABILITIES> 815
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 174138
<SHARES-COMMON-STOCK> 18398<F2>
<SHARES-COMMON-PRIOR> 0<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 12
<ACCUMULATED-NET-GAINS> 32307
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 25436
<NET-ASSETS> 231869
<DIVIDEND-INCOME> 2167
<INTEREST-INCOME> 379
<OTHER-INCOME> 78
<EXPENSES-NET> 1299
<NET-INVESTMENT-INCOME> 1254
<REALIZED-GAINS-CURRENT> 50010
<APPREC-INCREASE-CURRENT> <28550>
<NET-CHANGE-FROM-OPS> 22714
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 574<F2>
<DISTRIBUTIONS-OF-GAINS> 0<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 18953<F2>
<NUMBER-OF-SHARES-REDEEMED> 556<F2>
<SHARES-REINVESTED> 1<F2>
<NET-CHANGE-IN-ASSETS> 47291
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 17560
<OVERDISTRIB-NII-PRIOR> 2382
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 965
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1413
<AVERAGE-NET-ASSETS> 0<F2>
<PER-SHARE-NAV-BEGIN> 10.00<F2>
<PER-SHARE-NII> .03<F2>
<PER-SHARE-GAIN-APPREC> .39<F2>
<PER-SHARE-DIVIDEND> .03<F2>
<PER-SHARE-DISTRIBUTIONS> 0<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 10.39<F2>
<EXPENSE-RATIO> .95<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Fiduciary Share Class
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 272
<NAME> VALUE GROWTH FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 7-MOS
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 206479
<INVESTMENTS-AT-VALUE> 231863
<RECEIVABLES> 821
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 232684
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 815
<TOTAL-LIABILITIES> 815
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 174138
<SHARES-COMMON-STOCK> 3462<F2>
<SHARES-COMMON-PRIOR> 12814<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 12
<ACCUMULATED-NET-GAINS> 32307
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 25436
<NET-ASSETS> 231869
<DIVIDEND-INCOME> 2167
<INTEREST-INCOME> 379
<OTHER-INCOME> 78
<EXPENSES-NET> 1299
<NET-INVESTMENT-INCOME> 1254
<REALIZED-GAINS-CURRENT> 50010
<APPREC-INCREASE-CURRENT> <28550>
<NET-CHANGE-FROM-OPS> 22714
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 685<F2>
<DISTRIBUTIONS-OF-GAINS> 34705<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 8698<F2>
<NUMBER-OF-SHARES-REDEEMED> 19795<F2>
<SHARES-REINVESTED> 1745<F2>
<NET-CHANGE-IN-ASSETS> 47291
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 17560
<OVERDISTRIB-NII-PRIOR> 2382
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 965
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1413
<AVERAGE-NET-ASSETS> 136400<F2>
<PER-SHARE-NAV-BEGIN> 11.15<F2>
<PER-SHARE-NII> .94<F2>
<PER-SHARE-GAIN-APPREC> .08<F2>
<PER-SHARE-DIVIDEND> .95<F2>
<PER-SHARE-DISTRIBUTIONS> .83<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 10.39<F2>
<EXPENSE-RATIO> .97<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class A Shares
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000763852
<NAME> THE ONE GROUP FAMILY OF MUTUAL FUNDS
<SERIES>
<NUMBER> 273
<NAME> VALUE GROWTH FUND
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 7-MOS
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> DEC-01-1995
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 206479
<INVESTMENTS-AT-VALUE> 231863
<RECEIVABLES> 821
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 232684
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 815
<TOTAL-LIABILITIES> 815
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 174138
<SHARES-COMMON-STOCK> 450<F2>
<SHARES-COMMON-PRIOR> 172<F2>
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 12
<ACCUMULATED-NET-GAINS> 32307
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 25436
<NET-ASSETS> 231869
<DIVIDEND-INCOME> 2167
<INTEREST-INCOME> 379
<OTHER-INCOME> 78
<EXPENSES-NET> 1299
<NET-INVESTMENT-INCOME> 1254
<REALIZED-GAINS-CURRENT> 50010
<APPREC-INCREASE-CURRENT> <28550>
<NET-CHANGE-FROM-OPS> 22714
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5<F2>
<DISTRIBUTIONS-OF-GAINS> 557<F2>
<DISTRIBUTIONS-OTHER> 0<F2>
<NUMBER-OF-SHARES-SOLD> 258<F2>
<NUMBER-OF-SHARES-REDEEMED> 16<F2>
<SHARES-REINVESTED> 36<F2>
<NET-CHANGE-IN-ASSETS> 47291
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 17560
<OVERDISTRIB-NII-PRIOR> 2382
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 965
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1413
<AVERAGE-NET-ASSETS> 3776<F2>
<PER-SHARE-NAV-BEGIN> 11.16<F2>
<PER-SHARE-NII> .91<F2>
<PER-SHARE-GAIN-APPREC> .07<F2>
<PER-SHARE-DIVIDEND> .92<F2>
<PER-SHARE-DISTRIBUTIONS> .83<F2>
<RETURNS-OF-CAPITAL> 0<F2>
<PER-SHARE-NAV-END> 10.39<F2>
<EXPENSE-RATIO> 1.86<F2>
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
<FN>
<F2>Class B Shares
</FN>
</TABLE>
