<PAGE> PAGE 1
000 A000000 07/31/94
000 C000000 0000740766
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 DREYFUS GOVERNMENT CASH MANAGEMENT
001 B000000 811-3964
001 C000000 2129226754
002 A000000 144 GLENN CURTISS BOULEVARD
002 B000000 UNIONDALE
002 C000000 NY
002 D010000 11556
002 D020000 0144
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
013 A000001 ERNST & YOUNG LLP
013 B010001 NEW YORK
013 B020001 NY
013 B030001 10019
018 000000 Y
019 A000000 Y
019 B000000 119
019 C000000 DREYFUSFAM
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 KIDDER, PEABODY & CO. INCORPORATED
022 B000001 13-5650440
022 C000001 18423143
022 D000001 24082
022 A000002 LEHMAN GOVERNMENT SECURITIES INC.
022 B000002 13-2518466
022 C000002 10113936
022 D000002 0
022 A000003 YAMACHI INTERNATIONAL (AMERICA), INC.
<PAGE> PAGE 2
022 B000003 13-5659656
022 C000003 5291561
022 D000003 0
022 A000004 DAIWA SECURITIES, INC.
022 B000004 13-5680329
022 C000004 4405192
022 D000004 0
022 A000005 GOLDMAN, SACHS & CO.
022 B000005 13-5108880
022 C000005 4347307
022 D000005 28994
022 A000006 BARCLAYS DE ZOETE WEDD INCORPORATED
022 B000006 13-3551367
022 C000006 2847684
022 D000006 103405
022 A000007 UBS SECURITIES INC.
022 B000007 13-2932996
022 C000007 2592529
022 D000007 47610
022 A000008 NIKKO SECURITIES CO. INTERNATIONAL
022 B000008 94-1302123
022 C000008 2527922
022 D000008 0
022 A000009 NOMURA SECURITIES INTERNATIONAL, INC.
022 B000009 13-2642206
022 C000009 1617757
022 D000009 0
022 A000010 MORGAN STANLEY & CO. INCORPORATED
022 B000010 13-3224016
022 C000010 1328000
022 D000010 0
023 C000000 57188176
023 D000000 368401
027 000000 Y
028 A010000 2085888
028 A020000 4813
028 A030000 0
028 A040000 2630003
028 B010000 2537515
028 B020000 5018
028 B030000 0
028 B040000 2927673
028 C010000 1855205
028 C020000 4773
028 C030000 0
028 C040000 2056350
028 D010000 1825212
028 D020000 5201
028 D030000 0
028 D040000 1954650
028 E010000 1868510
<PAGE> PAGE 3
028 E020000 5255
028 E030000 0
028 E040000 1708677
028 F010000 1466564
028 F020000 5027
028 F030000 0
028 F040000 1686487
028 G010000 11638894
028 G020000 30087
028 G030000 0
028 G040000 12963840
028 H000000 0
062 A000000 Y
062 B000000 16.9
062 C000000 57.1
062 D000000 26.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 42
063 B000000 0.0
064 A000000 Y
064 B000000 N
071 A000000 0
071 B000000 0
071 C000000 0
071 D000000 0
072 A000000 6
072 B000000 65158
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 3585
072 G000000 0
072 H000000 0
072 I000000 0
072 J000000 0
072 K000000 0
072 L000000 0
072 M000000 0
<PAGE> PAGE 4
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 0
072 S000000 0
072 T000000 21
072 U000000 0
072 V000000 0
072 W000000 0
072 X000000 3606
072 Y000000 0
072 Z000000 61551
072AA000000 106736
072BB000000 60862
072CC010000 0
072CC020000 0
072DD010000 61260
072DD020000 291
072EE000000 46
073 A010000 0.0172
073 A020000 0.0160
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 842421
074 C000000 2392829
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 6874
074 M000000 1
074 N000000 3242125
074 O000000 0
074 P000000 551
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 5345
074 S000000 0
074 T000000 3236229
074 U010000 3153877
074 U020000 82609
074 V010000 0.99
074 V020000 1.00
<PAGE> PAGE 5
074 W000000 1.0000
074 X000000 660
074 Y000000 0
075 A000000 3597325
075 B000000 0
076 000000 0.00
077 A000000 N
078 000000 N
SIGNATURE MARIE E. CONNOLLY
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000740766
<NAME> DREYFUS GOVERNMENT CASH MANAGEMENT
<SERIES>
<NUMBER> 1
<NAME> CLASS A
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-1994
<PERIOD-END> JUL-31-1994
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 3235250
<RECEIVABLES> 6874
<ASSETS-OTHER> 1
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3242125
<PAYABLE-FOR-SECURITIES> 551
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5345
<TOTAL-LIABILITIES> 5896
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3236486
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (257)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3236230
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 65158
<OTHER-INCOME> 0
<EXPENSES-NET> 3606
<NET-INVESTMENT-INCOME> 61551
<REALIZED-GAINS-CURRENT> 46
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 61597
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 61260
<DISTRIBUTIONS-OF-GAINS> 46
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 11529803
<NUMBER-OF-SHARES-REDEEMED> 12922210
<SHARES-REINVESTED> 30035
<NET-CHANGE-IN-ASSETS> (1294814)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (302)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3585
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3606
<AVERAGE-NET-ASSETS> 3597325
<PER-SHARE-NAV-BEGIN> .999
<PER-SHARE-NII> .088
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .088
<PER-SHARE-DISTRIBUTIONS> .088
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> .999
<EXPENSE-RATIO> .20
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000740766
<NAME> DREYFUS GOVERNMENT CASH MANAGEMENT
<SERIES>
<NUMBER> 2
<NAME> CLASS B
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JAN-31-1994
<PERIOD-END> JUL-31-1994
<INVESTMENTS-AT-COST> 0
<INVESTMENTS-AT-VALUE> 3235250
<RECEIVABLES> 6874
<ASSETS-OTHER> 1
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 3242125
<PAYABLE-FOR-SECURITIES> 551
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 5345
<TOTAL-LIABILITIES> 5896
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 3236486
<SHARES-COMMON-STOCK> 0
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (257)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 3236230
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 65158
<OTHER-INCOME> 0
<EXPENSES-NET> 3606
<NET-INVESTMENT-INCOME> 61551
<REALIZED-GAINS-CURRENT> 46
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 61597
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 291
<DISTRIBUTIONS-OF-GAINS> 46
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 109090
<NUMBER-OF-SHARES-REDEEMED> 41631
<SHARES-REINVESTED> 52
<NET-CHANGE-IN-ASSETS> (1294814)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (302)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3585
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3606
<AVERAGE-NET-ASSETS> 3597325
<PER-SHARE-NAV-BEGIN> 1
<PER-SHARE-NII> .001
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> .001
<PER-SHARE-DISTRIBUTIONS> .001
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1
<EXPENSE-RATIO> .45
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
