SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549



                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                Date of Report (Date of earliest event reported):
                                 April 13, 2004


                             AMSOUTH BANCORPORATION
             (Exact name of registrant as specified in its charter)


DELAWARE                          1-7476                 63-0591257
(State or other jurisdiction    (Commission            (IRS Employer
    of incorporation)           File Number)            Identification No.)

                                 AMSOUTH CENTER
                             1900 FIFTH AVENUE NORTH
                            BIRMINGHAM, ALABAMA 35203
          (Address, including zip code, of principal executive office)

       Registrant's telephone number, including area code: (205) 320-7151



                                 Not applicable
          (Former name or former address, if changed since last report.)








Item 12.    Results of Operations and Financial Condition
            ------------------------------------------

            On April 13, 2004 AmSouth Bancorporation issued a press release
announcing its preliminary results of operations for the quarter ended March 31,
2004. A copy of the press release is attached hereto and incorporated herein as
Exhibit 99.1. Supplemental financial information for the quarter ended March 31,
2004 is included as Exhibit 99.2 and may also be found on AmSouth's website at
www.amsouth.com. In accordance with general instruction B.6 of Form 8-K, this
information is being furnished and shall not be deemed filed for purposes of
Section 18 of the Securities Exchange Act of 1934.







                                    SIGNATURE

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.


                                        AMSOUTH BANCORPORATION


                                        By:     /s/ Carl L. Gorday
                                                ------------------
                                        Name:       Carl L. Gorday
                                        Title:      Assistant Secretary


Date:    April 13, 2004





Exhibit Index

Exhibit No.            Exhibit

99.1                   Press Release of April 13, 2004
99.2                   Supplemental Financial Information