WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 356865
<NAME> Oppenheimer Disciplined Allocation - A Shares
<SERIES>
<NUMBER> 4
<NAME> Oppenheimer Series Fund, Inc.
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 179,794,609
<INVESTMENTS-AT-VALUE> 179,521,652
<RECEIVABLES> 1,771,830
<ASSETS-OTHER> 18,793
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 181,312,275
<PAYABLE-FOR-SECURITIES> 641,893
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 516,225
<TOTAL-LIABILITIES> 1,158,118
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 181,308,233
<SHARES-COMMON-STOCK> 11,387,485
<SHARES-COMMON-PRIOR> 17,176,755
<ACCUMULATED-NII-CURRENT> 543,784
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (699,261)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (998,599)
<NET-ASSETS> 157,449,192
<DIVIDEND-INCOME> 987,939
<INTEREST-INCOME> 3,481,916
<OTHER-INCOME> 0
<EXPENSES-NET> 1,324,760
<NET-INVESTMENT-INCOME> 3,145,095
<REALIZED-GAINS-CURRENT> 905,207
<APPREC-INCREASE-CURRENT> 2,182,204
<NET-CHANGE-FROM-OPS> 6,232,506
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 3,092,632
<DISTRIBUTIONS-OF-GAINS> 24,684,810
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 277,065
<NUMBER-OF-SHARES-REDEEMED> 7,688,122
<SHARES-REINVESTED> 1,621,787
<NET-CHANGE-IN-ASSETS> (107,245,708)
<ACCUMULATED-NII-PRIOR> 779,391
<ACCUMULATED-GAINS-PRIOR> 25,841,491
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 688,271
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,328,706
<AVERAGE-NET-ASSETS> 194,771,000
<PER-SHARE-NAV-BEGIN> 15.03
<PER-SHARE-NII> 0.23
<PER-SHARE-GAIN-APPREC> 0.28
<PER-SHARE-DIVIDEND> 0.23
<PER-SHARE-DISTRIBUTIONS> 1.48
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 13.83
<EXPENSE-RATIO> 1.12
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0.00
</TABLE>
