SECURITIES AND EXCHANGE COMMISSION


                             Washington, D.C. 20549


                                    FORM 8-K


                                 CURRENT REPORT


     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


                                 April 20, 2004
                Date of Report (Date of earliest event reported)


                              TRUSTMARK CORPORATION
             (Exact name of registrant as specified in its charter)


  Mississippi                       0-3683                       64-0471500
(State or other            (Commission File Number)            (IRS Employer
 jurisdiction of                                             Identification No.)
 incorporation)



                             248 East Capitol Street
                                Jackson, MS 39201
          (Address, including zip code, of principal executive office)


                                  (601)208-5111
              (Registrant's telephone number, including area code)






Item 12.  Results of Operations and Financial Condition

On April 20, 2004,  Trustmark  Corporation issued a press release announcing its
financial  results for the period  ended March 31, 2004.  This press  release is
attached as Exhibit 99.1 to this report and incorporated herein by reference.

The following exhibit is filed as part of this Form 8-K:

    Exhibit No.       Description
    ----------        -----------
    99.1              Press release announcing financial results for the period
                      ended March 31, 2004














                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                              TRUSTMARK CORPORATION


BY:   /s/ Richard G. Hickson                    BY:   /s/ Zach L. Wasson
      ----------------------                          ------------------
      Richard G. Hickson                              Zach L. Wasson
      Chairman of the Board, President                Treasurer (Principal
      & Chief Executive Officer                       Financial Officer)

DATE: April 20, 2004                            DATE: April 20, 2004








                                  EXHIBIT INDEX

99.1  Press release announcing financial results for the period ended
      March 31, 2004