<PAGE> PAGE 1
000 A000000 12/31/95
000 C000000 0000312538
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 CENTENNIAL MONEY MARKET TRUST
001 B000000 811-2945
001 C000000 3036713200
002 A000000 3410 SOUTH GALENA STREET
002 B000000 DENVER
002 C000000 CO
002 D010000 80231
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
020 A000001 LEHMAN BROTHERS, INC.
020 B000001 13-2518466
020 C000001 997
020 A000002 GOLDMAN, SACHS & CO.
020 B000002 13-5108880
020 C000002 987
020 A000003 MORGAN STANLEY & CO., INC.
020 B000003 13-2655998
020 C000003 696
020 A000004 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
020 B000004 13-5674085
020 C000004 649
020 A000005 FIRST BOSTON CORP. (THE)
020 B000005 13-5659485
020 C000005 251
020 A000006 MORGAN GUARANTY TRUST CO.
020 B000006 13-5123346
020 C000006 226
020 A000007 BANKERS TRUST CO.
020 B000007 13-4941247
020 C000007 218
020 A000008 LAMBERSON KNIGHT CAPITAL MARKETS, INC.
020 B000008 22-2596731
020 C000008 181
020 A000009 CITICORP SECURITIES MARKETS, INC.
020 B000009 13-2771536
020 C000009 102
020 A000010 FIRST CHICAGO CAPITAL MARKET
020 B000010 36-3595942
<PAGE> PAGE 2
020 C000010 98
021 000000 9480
022 A000001 LEHMAN BROTHERS, INC.
022 B000001 13-2518466
022 C000001 3172908
022 D000001 40693
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 13-5108880
022 C000002 3187035
022 D000002 0
022 A000003 DAIWA SECURITIES AMERICA, INC.
022 B000003 13-5680329
022 C000003 2892531
022 D000003 0
022 A000004 MORGAN STANLEY & CO., INC.
022 B000004 13-2655998
022 C000004 1494196
022 D000004 740630
022 A000005 MERRILL LYNCH, PIERCE, FENNER, & SMITH, INC.
022 B000005 13-5674085
022 C000005 2042517
022 D000005 14947
022 A000006 FIRST BOSTON CORP. (THE)
022 B000006 13-5659485
022 C000006 738503
022 D000006 0
022 A000007 BANKERS TRUST CO.
022 B000007 13-4941247
022 C000007 572315
022 D000007 0
022 A000008 MORGAN GUARANTY TRUST CO.
022 B000008 13-5123346
022 C000008 393138
022 D000008 0
022 A000009 CITICORP SECURITIES MARKETS, INC./CITICORP
022 B000009 13-2771536
022 C000009 323348
022 D000009 0
022 A000010 CHASE MANHATTAN BANK, N.A. (THE)
022 B000010 13-2633612
022 C000010 290698
022 D000010 0
023 C000000 29088892
023 D000000 852595
028 A010000 1231073
028 A020000 23700
028 A030000 0
028 A040000 1171270
028 B010000 1711745
028 B020000 19840
028 B030000 0
<PAGE> PAGE 3
028 B040000 1448867
028 C010000 1464618
028 C020000 25473
028 C030000 0
028 C040000 1259393
028 D010000 1707710
028 D020000 21358
028 D030000 0
028 D040000 1378778
028 E010000 1564959
028 E020000 22088
028 E030000 0
028 E040000 1431478
028 F010000 1685840
028 F020000 37239
028 F030000 0
028 F040000 1714520
028 G010000 9365945
028 G020000 149698
028 G030000 0
028 G040000 8404306
028 H000000 0
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 100
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 5501
044 000000 0
055 A000000 Y
055 B000000 N
056 000000 N
057 000000 N
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 1.6
062 G000000 2.4
062 H000000 0.8
062 I000000 75.1
062 J000000 0.0
062 K000000 0.0
062 L000000 20.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
<PAGE> PAGE 4
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 53
063 B000000 0.0
064 A000000 Y
064 B000000 N
070 A010000 Y
070 A020000 Y
070 B010000 N
070 B020000 N
070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 N
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 Y
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 0
071 B000000 0
071 C000000 0
071 D000000 0
072 A000000 6
072 B000000 162449
072 C000000 0
072 D000000 0
<PAGE> PAGE 5
072 E000000 0
072 F000000 9858
072 G000000 0
072 H000000 0
072 I000000 2300
072 J000000 162
072 K000000 97
072 L000000 138
072 M000000 9
072 N000000 1398
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 25
072 S000000 2
072 T000000 5501
072 U000000 0
072 V000000 0
072 W000000 22
072 X000000 19512
072 Y000000 0
072 Z000000 142937
072AA000000 460
072BB000000 179
072CC010000 0
072CC020000 0
072DD010000 143374
072DD020000 0
072EE000000 0
073 A010000 0.0285
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 7957
074 B000000 0
074 C000000 5918388
074 D000000 0
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 71104
074 M000000 305
074 N000000 5997754
074 O000000 0
074 P000000 390
074 Q000000 0
074 R010000 0
<PAGE> PAGE 6
074 R020000 0
074 R030000 0
074 R040000 73990
074 S000000 0
074 T000000 5923374
074 U010000 5923035
074 U020000 0
074 V010000 1.00
074 V020000 0.00
074 W000000 1.0002
074 X000000 448112
074 Y000000 0
075 A000000 5466562
075 B000000 0
076 000000 0.00
077 A000000 N
078 000000 N
SIGNATURE GEORGE C. BOWEN
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000312538
<NAME> CENTENNIAL MONEY MARKET TRUST
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1996
<PERIOD-START> JUL-01-1995
<PERIOD-END> DEC-31-1995
<INVESTMENTS-AT-COST> 5918387930
<INVESTMENTS-AT-VALUE> 5918387930
<RECEIVABLES> 71104203
<ASSETS-OTHER> 304739
<OTHER-ITEMS-ASSETS> 7957424
<TOTAL-ASSETS> 5997754296
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 74379908
<TOTAL-LIABILITIES> 74379908
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5923034671
<SHARES-COMMON-STOCK> 5923034671
<SHARES-COMMON-PRIOR> 4811697145
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 339717
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 5923374388
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 162448572
<OTHER-INCOME> 0
<EXPENSES-NET> 19511660
<NET-INVESTMENT-INCOME> 142936912
<REALIZED-GAINS-CURRENT> 280808
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 143217720
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 143373597
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 9365944929
<NUMBER-OF-SHARES-REDEEMED> 8404305591
<SHARES-REINVESTED> 149698188
<NET-CHANGE-IN-ASSETS> 1111181649
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 495594
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 9858028
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 19511660
<AVERAGE-NET-ASSETS> 5466562000
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .03
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .03
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .71
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>