<SEC-DOCUMENT>0001223434-13-000013.txt : 20130710
<SEC-HEADER>0001223434-13-000013.hdr.sgml : 20130710
<ACCEPTANCE-DATETIME>20130710143807
ACCESSION NUMBER:		0001223434-13-000013
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20130701
FILED AS OF DATE:		20130710
DATE AS OF CHANGE:		20130710

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MFS HIGH INCOME MUNICIPAL TRUST
		CENTRAL INDEX KEY:			0000845606
		IRS NUMBER:				043039022
		FISCAL YEAR END:			1130

	BUSINESS ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199
		BUSINESS PHONE:		617-954-5000

	MAIL ADDRESS:	
		STREET 1:		111 HUNTINGTON AVENUE
		STREET 2:		24TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02199

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLONIAL HIGH INCOME MUNICIPAL TRUST
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CONNORS THOMAS H
		CENTRAL INDEX KEY:			0001223434

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05754
		FILM NUMBER:		13961696
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2013-07-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000845606</issuerCik>
        <issuerName>MFS HIGH INCOME MUNICIPAL TRUST</issuerName>
        <issuerTradingSymbol>CXE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001223434</rptOwnerCik>
            <rptOwnerName>CONNORS THOMAS H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>111 HUNTINGTON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Assistant Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>Susan S. Newton, By Power of Attorney</signatureName>
        <signatureDate>2013-07-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>poaconnors.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
<PAGE>

                               POWER OF ATTORNEY

The undersigned on his or her own behalf and on behalf of his or her estate,
heirs and assigns hereby constitutes and appoints Susan S. Newton, Christopher
R. Bohane, Susan A. Pereira and Brian E. Langenfeld and each of them singly as
true and lawful attorneys with full power to them and each of them, to execute,
on behalf of the undersigned, in the capacity listed below, any and all
statements or reports under Section 16 of the Securities Exchange Act of 1934,
as amended, with respect to the beneficial ownership of reportable securities
issued by MFS California Municipal Fund, MFS Charter Income Trust, MFS
Government Markets Income Trust, MFS High Income Municipal Trust, MFS High
Yield Municipal Trust, MFS InterMarket Income Trust I, MFS Intermediate High
Income Fund, MFS Intermediate Income Trust, MFS Investment Grade Municipal
Trust, MFS Multimarket Income Trust, MFS Municipal Income Trust and MFS Special
Value Trust including, without limitation, all initial statements of beneficial
ownership on Form 3, all statements of changes of beneficial ownership on Form
4 and all annual statements of beneficial ownership on Form 5, and any and all
other documents that may be required, from time to time, to be filed with the
Securities and Exchange Commission, to execute any and all amendments or
supplements to any such statements or forms, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting to said attorney, full power and
authority to do so and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and
purposes as the undersigned (or his or her estate, heirs and assigns) might or
could do in person, hereby ratifying and confirming all that said attorneys or
any of them may lawfully do or cause to be done by virtue hereof.

   IN WITNESS WHEREOF, the undersigned has set his or her hand on this 27th day
of June, 2013.

/s/ Thomas H. Connors
--------------------------
Thomas H. Connors

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
