PAGE 1
000 A000000 10/31/2016
000 C000000 0000900422
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 PUTNAM MUNICIPAL OPPORTUNITIES TRUST
001 B000000 811-07626
001 C000000 6172921000
002 A000000 ONE POST OFFICE SQUARE
002 B000000 BOSTON
002 C000000 MA
002 D010000 02109
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
008 A000001 PUTNAM INVESTMENT MANAGEMENT, LLC
008 B000001 A
008 C000001 801-7974
008 D010001 BOSTON
008 D020001 MA
008 D030001 02109
008 A000002 PUTNAM INVESTMENTS LIMITED
008 B000002 S
008 C000002 801-61441
008 D010002 LONDON
008 D050002 ENGLAND
008 D060002 SW1A 1LD
012 A000001 PUTNAM INVESTOR SERVICES, INC.
012 B000001 84-06331
012 C010001 BOSTON
012 C020001 MA
012 C030001 02109
013 A000001 PRICEWATERHOUSECOOPERS LLP
013 B010001 BOSTON
PAGE 2
013 B020001 MA
013 B030001 02110
015 A000001 STATE STREET BANK AND TRUST COMPANY
015 B000001 C
015 C010001 BOSTON
015 C020001 MA
015 C030001 02111
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 115
019 C000000 PUTNAMFUND
020 A000001 BAIRD (ROBERT W.) & CO., INC.
020 B000001 39-6037917
020 C000001 0
020 A000002 BANC OF AMERICA SECURITIES, LLC
020 B000002 56-2058405
020 C000002 0
020 A000003 BARCLAYS CAPITAL, INC.
020 B000003 06-1031656
020 C000003 0
020 A000004 BB&T CAPITAL MARKETS
020 B000004 54-0294670
020 C000004 0
020 A000005 BELLE HAVEN INVESTMENTS, LP
020 B000005 06-1385063
020 C000005 0
020 A000006 CITIBANK, N.A.
020 B000006 13-5266470
020 C000006 0
020 A000007 FIFTH THIRD SECURITIES
020 B000007 31-0854433
020 C000007 0
020 A000008 FTN FINANCIAL SERVICES CORP.
020 B000008 62-1758945
020 C000008 0
020 A000009 GOLDMAN SACHS & CO.
020 B000009 13-5108880
020 C000009 0
020 A000010 JPMORGAN SECURITIES, LLC
020 B000010 13-3299429
020 C000010 0
021 000000 0
022 A000001 CITIBANK, N.A.
022 B000001 13-5266470
022 C000001 20369
022 D000001 18162
022 A000002 BANC OF AMERICA SECURITIES, LLC
022 B000002 56-2058405
022 C000002 18550
022 D000002 12117
PAGE 3
022 A000003 JPMORGAN SECURITIES, LLC
022 B000003 13-3299429
022 C000003 11024
022 D000003 0
022 A000004 BARCLAYS CAPITAL, INC.
022 B000004 06-1031656
022 C000004 2313
022 D000004 6581
022 A000005 JANNEY MONTGOMERY SCOTT, LLC
022 B000005 23-0731260
022 C000005 466
022 D000005 6451
022 A000006 ZIEGLER CAPITAL MARKETS
022 B000006 39-0727640
022 C000006 5981
022 D000006 767
022 A000007 GOLDMAN SACHS & CO.
022 B000007 13-5108880
022 C000007 6323
022 D000007 0
022 A000008 SAMUEL A. RAMIREZ & COMPANY, INC.
022 B000008 13-2695511
022 C000008 1133
022 D000008 4188
022 A000009 RBC CAPITAL MARKETS, LLC
022 B000009 41-1228350
022 C000009 1992
022 D000009 3204
022 A000010 MORGAN STANLEY & CO., LLC
022 B000010 13-2655998
022 C000010 4679
022 D000010 0
023 C000000 85144
023 D000000 71132
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 Y
026 G020000 Y
PAGE 4
026 H000000 N
027 000000 N
028 A010000 0
028 A020000 0
028 A030000 0
028 A040000 0
028 B010000 0
028 B020000 0
028 B030000 0
028 B040000 0
028 C010000 0
028 C020000 0
028 C030000 0
028 C040000 0
028 D010000 0
028 D020000 0
028 D030000 0
028 D040000 0
028 E010000 0
028 E020000 0
028 E030000 0
028 E040000 0
028 F010000 0
028 F020000 0
028 F030000 0
028 F040000 0
028 G010000 0
028 G020000 0
028 G030000 0
028 G040000 0
028 H000000 0
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
035 000000 0
036 B000000 0
038 000000 0
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
PAGE 5
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.550
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 Y
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 N
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
PAGE 6
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 0
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
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 140.9
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 7.0
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 N
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
PAGE 7
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 N
070 M010000 Y
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 Y
070 R020000 N
071 A000000 85144
071 B000000 85110
071 C000000 739169
071 D000000 12
072 A000000 6
072 B000000 16181
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 1982
072 G000000 6
072 H000000 0
072 I000000 132
072 J000000 3
072 K000000 8
072 L000000 10
072 M000000 20
072 N000000 0
072 O000000 0
072 P000000 230
072 Q000000 0
072 R000000 46
072 S000000 31
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 188
072 X000000 2656
072 Y000000 0
072 Z000000 13525
072AA000000 5068
072BB000000 0
072CC010000 0
072CC020000 11560
072DD010000 13607
PAGE 8
072DD020000 0
072EE000000 0
073 A010000 0.3570
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 6395
074 B000000 0
074 C000000 0
074 D000000 726547
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 7726
074 K000000 0
074 L000000 10005
074 M000000 34
074 N000000 750707
074 O000000 10629
074 P000000 1286
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 44270
074 S000000 178850
074 T000000 515672
074 U010000 38114
074 U020000 0
074 V010000 13.53
074 V020000 0.00
074 W000000 0.0000
074 X000000 1035
074 Y000000 0
075 A000000 0
075 B000000 529244
076 000000 12.46
077 A000000 Y
077 Q010000 Y
078 000000 N
080 A000000 NATL UNION FIRE/ACE AMER/QUANTA INDEM/FID&DEP
080 B000000 FEDERAL INSURANCE COMPANY
080 C000000 80000
081 A000000 Y
081 B000000 114
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
PAGE 9
084 A000000 N
084 B000000 0
085 A000000 N
085 B000000 N
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
087 A010000 COMMON
087 A020000 746922103
087 A030000 PMO
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE JANET C. SMITH
TITLE PRINC. ACCT. OFFICER