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



Date of Report (Date of earliest event reported):              January 7, 2004
                                                           ---------------------


                           MENTOR GRAPHICS CORPORATION
- --------------------------------------------------------------------------------
               (Exact name of registrant as specified in charter)



            OREGON                     0-13442                93-0786033
- --------------------------------------------------------------------------------
 (State or other jurisdiction        (Commission             (IRS Employer
       of incorporation)            File Number)          Identification No.)



             8005 S.W. BOECKMAN ROAD                      97070-7777
                 WILSONVILLE, OR
- --------------------------------------------------------------------------------
    (Address of principal executive offices)             (Zip Code)



Registrant's telephone number, including area code:     (503) 685-7000
                                                   --------------------------


                                   NO CHANGE
- --------------------------------------------------------------------------------
         (Former name or former address, if changed since last report.)






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

         Attached as Exhibit 99.1 is a copy of a press release of Mentor
Graphics Corporation dated January 7, 2004, announcing the Company's preliminary
financial results for the fourth quarter of 2003, which is being furnished to
the Securities and Exchange Commission.







                                   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.


                                     MENTOR GRAPHICS CORPORATION
                                     (Registrant)


Date: January 7, 2004                By: /s/ Gregory K. Hinckley
                                         -----------------------
                                          Gregory K. Hinckley
                                          President, Chief Operating and
                                          Financial Officer