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<PAGE> PAGE 2
022 A000003 MERRILL LYNCH, PIERCE, FENNER, & SMITH, INC.
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<PAGE> PAGE 4
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<PAGE> PAGE 6
074 X000000 577060
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SIGNATURE GEORGE C. BOWEN
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 312538
<NAME> CENTENNIAL MONEY MARKET TRUST
<S> <C>
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<FISCAL-YEAR-END> JUN-30-1997
<PERIOD-START> JUL-01-1996
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<INVESTMENTS-AT-COST> 8,096,676,163
<INVESTMENTS-AT-VALUE> 8,096,676,163
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<OTHER-ITEMS-ASSETS> 1,174,332
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<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 91,259,841
<TOTAL-LIABILITIES> 91,259,841
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 8,085,041,176
<SHARES-COMMON-STOCK> 8,085,041,176
<SHARES-COMMON-PRIOR> 6,752,559,664
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<DIVIDEND-INCOME> 0
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<OTHER-INCOME> 0
<EXPENSES-NET> 25,106,667
<NET-INVESTMENT-INCOME> 181,378,863
<REALIZED-GAINS-CURRENT> (432)
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 181,378,431
<EQUALIZATION> 0
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<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 12,621,819,056
<NUMBER-OF-SHARES-REDEEMED> 11,476,244,947
<SHARES-REINVESTED> 186,907,403
<NET-CHANGE-IN-ASSETS> 1,332,205,862
<ACCUMULATED-NII-PRIOR> 0
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<OVERDISTRIB-NII-PRIOR> 0
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<GROSS-ADVISORY-FEES> 13,121,270
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 25,106,667
<AVERAGE-NET-ASSETS> 7,480,000,000
<PER-SHARE-NAV-BEGIN> 1.00
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<EXPENSE-RATIO> 0.67
<AVG-DEBT-OUTSTANDING> 0
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</TABLE>
