DACXX Dreyfus Cash Mgmt Administrative Shs (MM)

000 A000000 07/31/2013
000 C000000 0000759667
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 U
001 A000000 DREYFUS CASH MANAGEMENT
001 B000000 811-4175
001 C000000 2129226837
002 A000000 200 PARK AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10166
002 D020000 0144
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
007 C010200  2
007 C010300  3
007 C010400  4
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
018  000000 Y
019 A000000 Y
019 B000000  140
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 BGC PARTNERS INC.
022 B000001 13-4063515
022 C000001 263180508

022 D000001         0
022 A000002 TULLETT PREBON FINANCIAL SERVICES LLC
022 B000002 13-3721275
022 C000002 215693000
022 D000002         0
022 A000003 DEUTSCHE BANK SECURITIES INC.
022 B000003 13-2730828
022 C000003 140509508
022 D000003         0
022 A000004 LLOYDS SECURITIES INC.
022 B000004 30-0611509
022 C000004 117499994
022 D000004         0
022 A000005 RABO SECURITIES USA, INC.
022 B000005 13-4097954
022 C000005  66849737
022 D000005         0
022 A000006 RBS SECURITIES INC.
022 B000006 13-3172275
022 C000006  67851988
022 D000006         0
022 A000007 CREDIT AGRICOLE CHEUVREUX NORTH AMERICA, INC.
022 B000007 13-3867844
022 C000007  59260000
022 D000007         0
022 A000008 RBC CAPTIAL MARKETS CORP.
022 B000008 41-1228350
022 C000008  58072000
022 D000008         0
022 A000009 BARCLAYS CAPITAL INC.
022 B000009 06-1031656
022 C000009  43433616
022 D000009         0
022 A000010 CREDIT SUISSE (USA) INC.
022 B000010 13-1898818
022 C000010  36247115
022 D000010         0
023 C000000 1201116053
023 D000000     699964
024  000000 Y
025 A000001 RBS SECURITIES INC.
025 B000001 13-3172275
025 C000001 D
025 D000001 1075000
025 A000002 RBC CAPITAL MARKETS CORP.
025 B000002 41-1228350
025 C000002 D
025 D000002  150000
025 A000003 CREDIT SUISSE (USA) INC.
025 B000003 13-1898818
025 C000003 D

025 D000003  599555
025 A000004 LLOYDS SECURITIES INC.
025 B000004 30-0611509
025 C000004 D
025 D000004 1000000
025 A000005 DEUTSCHE BANK SECURITIES INC.
025 B000005 13-2730828
025 C000005 D
025 D000005 1150000
025 A000006 RABO SECURITIES USA, INC.
025 B000006 13-4097954
025 C000006 D
025 D000006  252000
025 A000007 CREDIT AGRICOLE CHEUVREUX NORTH AMERICA, INC.
025 B000007 13-3867844
025 C000007 D
025 D000007  500000
025 A000008 BARCLAYS CAPITAL INC.
025 B000008 06-1031656
025 C000008 D
025 D000008  599971
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 Y
027  000000 Y
028 A010000   7705300
028 A020000       150
028 A030000         0
028 A040000   7926009
028 B010000   8506436
028 B020000       165
028 B030000         0
028 B040000   9594200
028 C010000   8056832
028 C020000       162
028 C030000         0
028 C040000   8170738
028 D010000   8945046
028 D020000       178
028 D030000         0
028 D040000   9574544
028 E010000   8191933
028 E020000       169
028 E030000         0
028 E040000   8369879

028 F010000  10505017
028 F020000       163
028 F030000         0
028 F040000  10070262
028 G010000  51910564
028 G020000       988
028 G030000         0
028 G040000  53705632
028 H000000         0
029  000000 N
030 A000000      0
030 B000000  0.00
030 C000000  0.00
031 A000000      0
031 B000000      0
032  000000      0
033  000000      0
034  000000 N
035  000000      0
036 B000000      0
037  000000 N
038  000000      0
039  000000 N
040  000000 Y
041  000000 Y
042 A000000   0
042 B000000   0
042 C000000 100
042 D000000   0
042 E000000   0
042 F000000   0
042 G000000   0
042 H000000   0
043  000000   5292
044  000000      0
045  000000 Y
046  000000 N
047  000000 Y
048  000000  0.200
048 A010000        0
048 A020000 0.000
048 B010000        0
048 B020000 0.000
048 C010000        0
048 C020000 0.000
048 D010000        0
048 D020000 0.000
048 E010000        0
048 E020000 0.000
048 F010000        0
048 F020000 0.000

048 G010000        0
048 G020000 0.000
048 H010000        0
048 H020000 0.000
048 I010000        0
048 I020000 0.000
048 J010000        0
048 J020000 0.000
048 K010000        0
048 K020000 0.000
049  000000 N
050  000000 N
051  000000 N
052  000000 N
053 A000000 Y
053 B000000 Y
053 C000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 N
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 Y
055 A000000 Y
055 B000000 N
056  000000 Y
057  000000 N
058 A000000 N
059  000000 Y
060 A000000 Y
060 B000000 Y
061  000000 10000000
062 A000000 Y
062 B000000   4.8
062 C000000   0.6
062 D000000   9.4
062 E000000   0.0
062 F000000  35.4
062 G000000   0.0
062 H000000   0.0
062 I000000  23.8
062 J000000  25.9

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  46
063 B000000  0.0
064 A000000 Y
064 B000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 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 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 N
070 M020000 N
070 N010000 N
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 N
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    28014
072 C000000        0
072 D000000        0
072 E000000        0
072 F000000    26185
072 G000000        0
072 H000000        0
072 I000000      271
072 J000000      427
072 K000000        0
072 L000000      308
072 M000000       76
072 N000000      112
072 O000000        0
072 P000000        0
072 Q000000        0
072 R000000       21
072 S000000       25
072 T000000     5292
072 U000000        0
072 V000000        0
072 W000000      171
072 X000000    32888
072 Y000000    10159
072 Z000000     5285
072AA000000       12
072BB000000        0
072CC010000        0
072CC020000        0
072DD010000     5284
072DD020000        1
072EE000000        0
073 A010000   0.0000
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000     3410
074 B000000  2475000
074 C000000 23769919
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    14338
074 M000000      226
074 N000000 26262893
074 O000000        0
074 P000000     3262
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000     1044
074 S000000        0
074 T000000 26258587
074 U010000 21523061
074 U020000  4735512
074 V010000     0.00
074 V020000     0.00
074 W000000   1.0001
074 X000000     2610
074 Y000000        0
075 A000000 26402201
075 B000000        0
076  000000     0.00
077 A000000 N
SIGNATURE   JOHN B. HAMMALIAN
TITLE       VICE PRESIDENT