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    <ACCEPTANCE-DATETIME>20210628165757
    ACCESSION NUMBER:		0000928816-21-000700
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		23
    CONFORMED PERIOD OF REPORT:	20210430
    FILED AS OF DATE:		20210628
    DATE AS OF CHANGE:		20210628
    EFFECTIVENESS DATE:		20210628

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PUTNAM MUNICIPAL OPPORTUNITIES TRUST
    		CENTRAL INDEX KEY:			0000900422
    		IRS NUMBER:				043187549
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0430

    	FILING VALUES:
    		FORM TYPE:		N-CSR
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-07626
    		FILM NUMBER:		211054236

    	BUSINESS ADDRESS:
    		STREET 1:		ONE POST OFFICE SQUARE
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02109
    		BUSINESS PHONE:		6172921000

    	MAIL ADDRESS:
    		STREET 1:		ONE POST OFFICE SQUARE
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02109
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    <DOCUMENT>
    <TYPE>N-CSR
    <SEQUENCE>1
    <FILENAME>a_municipalopps.htm
    <DESCRIPTION>PUTNAM MUNICIPAL OPPORTUNITIES TRUST
    <TEXT>
    Document 1 - file: a_municipalopps.htm

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    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>2
    <FILENAME>b_19anotice.htm
    <DESCRIPTION>19(A) NOTICES TO BENEFICIAL OWNERS
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    Document 2 - file: b_19anotice.htm

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    <FILENAME>c_582certifications.htm
    <DESCRIPTION>CERTIFICATIONS
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    Document 3 - file: c_582certifications.htm

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    <DOCUMENT>
    <TYPE>EX-99.906 CERT
    <SEQUENCE>4
    <FILENAME>d_582noscertification.htm
    <DESCRIPTION>906 CERTIFICATIONS
    <TEXT>
    Document 4 - file: d_582noscertification.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>municipaloppsx1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: municipaloppsx1x1.jpg

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    <FILENAME>municipaloppsx3x1.jpg
    <DESCRIPTION>GRAPHIC
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    Document 6 - file: municipaloppsx3x1.jpg

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    <FILENAME>municipaloppsx4x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: municipaloppsx4x1.jpg

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    <SEQUENCE>8
    <FILENAME>municipaloppsx4x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: municipaloppsx4x2.jpg

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    <FILENAME>municipaloppsx5x1.jpg
    <DESCRIPTION>GRAPHIC
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    Document 9 - file: municipaloppsx5x1.jpg

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    <FILENAME>municipaloppsx6x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: municipaloppsx6x1.jpg

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    <SEQUENCE>11
    <FILENAME>municipaloppsx6x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: municipaloppsx6x2.jpg

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    <SEQUENCE>12
    <FILENAME>municipaloppsx7x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: municipaloppsx7x1.jpg

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    <SEQUENCE>13
    <FILENAME>municipaloppsx7x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: municipaloppsx7x2.jpg

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    <SEQUENCE>14
    <FILENAME>municipaloppsx8x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: municipaloppsx8x1.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>municipaloppsx8x2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: municipaloppsx8x2.jpg

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    <SEQUENCE>16
    <FILENAME>municipaloppsx9x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: municipaloppsx9x1.jpg

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    <SEQUENCE>17
    <FILENAME>municipaloppsx10x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: municipaloppsx10x1.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>municipaloppsx60x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: municipaloppsx60x1.jpg

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    <SEQUENCE>19
    <FILENAME>municipaloppsx61x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: municipaloppsx61x1.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>municipaloppsx64x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: municipaloppsx64x1.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>z19anoticex1x1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: z19anoticex1x1.jpg

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    <DOCUMENT>
    <TYPE>EX-99.CODE ETH
    <SEQUENCE>22
    <FILENAME>a_picoemod4.htm
    <TEXT>
    Document 22 - file: a_picoemod4.htm

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    <DOCUMENT>
    <TYPE>EX-99.CODE ETH
    <SEQUENCE>23
    <FILENAME>a_nf69mod8.htm
    <TEXT>
    Document 23 - file: a_nf69mod8.htm

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