UNITED STATES
                       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):          July 29, 2005
                                                  ------------------------------


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


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


          8005 S.W. BOECKMAN ROAD
             WILSONVILLE, OR                               97070-7777
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 (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.)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))





Item 2.02  Results of Operations and Financial Condition.
- --------------------------------------------------------

     Attached as Exhibit 99.1 is a copy of a press release of Mentor Graphics
Corporation dated July 29, 2005, announcing the Company's financial results for
the second quarter of 2005, which is being furnished to the Securities and
Exchange Commission.


Item 7.01  Regulation FD Disclosure.
- -----------------------------------

     Attached as Exhibit 99.2 is a copy of a press release of Mentor Graphics
Corporation dated July 29, 2005, providing the Company's outlook for the third
quarter and full year of 2005, which is being furnished to the Securities and
Exchange Commission.





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                                   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: July 29, 2005                      By: /s/ Dean M. Freed
                                             -----------------
                                             Dean M. Freed
                                             Vice President and General Counsel





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