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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                   FORM N-PX

                    ANNUAL REPORT OF PROXY VOTING RECORD OF
                   REGISTERED MANAGEMENT INVESTMENT COMPANIES

                  Investment Company Act file number 811-05754

                        MFS HIGH INCOME MUNICIPAL TRUST
               (Exact name of registrant as specified in charter)

              111 Huntington Avenue, Boston, Massachusetts 02199
              (Address of principal executive offices) (Zip code)

                                Susan S. Newton
                    Massachusetts Financial Services Company
                             111 Huntington Avenue
                          Boston, Massachusetts 02199
                    (Name and address of agents for service)

      Registrant's telephone number, including area code: (617) 954-5000

                      Date of fiscal year end: November 30

             Date of reporting period: July 1, 2013 - June 30, 2014

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ITEM 1. PROXY VOTING RECORD.



******************************* FORM N-Px REPORT *******************************

ICA File Number: 811-05754
Reporting Period: 07/01/2013 - 06/30/2014
MFS High Income Municipal Trust









======================= MFS High Income Municipal Trust ========================

There is no proxy voting activity for the fund, as the fund did not hold any
votable positions during the reporting period.
========== END NPX REPORT



                                   SIGNATURES

Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

Registrant: MFS HIGH INCOME MUNICIPAL TRUST

By (Signature and Title): JOHN M. CORCORAN*
                          -------------------------------------
                          John M. Corcoran, Principal Executive
                          Officer & President

Date: August 25, 2014

*By (Signature and Title) /s/ Susan S. Newton
                          -------------------------------------
                          Susan S. Newton, as attorney-in-fact

*    Executed by Susan S. Newton on behalf of John M. Corcoran pursuant to a
     Power of Attorney dated July 8th, 2013. (1)

(1)  Incorporated by reference to MFS Municipal Series Trust (File Nos. 2-92915
     and 811-4096) Post-Effective Amendment No. 56 filed with the SEC via EDGAR
     on July 26, 2013.