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): April 16, 2003

                        MERCURY INTERACTIVE CORPORATION
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)


          Delaware                    0-22350                  77-0224776
----------------------------    ---------------------        --------------
(State or other jurisdiction    (Commission File No.)        (IRS Employer
      of incorporation)                                   Identification No.)



                1325 Borregas Avenue, Sunnyvale, California 94089
             ------------------------------------------------------
                    (Address of Principal Executive Offices)



                                 (408) 822-5200
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              (Registrant's Telephone Number, Including Area Code)



ITEM 7.   FINANCIAL STATEMENTS AND EXHIBITS

(c)  Exhibits

Exhibit No.        Description
-----------        -----------
99.1               Press release of Mercury Interactive Corporation dated
                   April 16, 2003.

ITEMS 9 AND 12.  REGULATION FD DISCLOSURE AND DISCLOSURE OF RESULTS OF
OPERATIONS AND FINANCIAL CONDITION

On April 16, 2003, Mercury Interactive Corporation issued a press release
announcing its financial results for the quarter ended March 31, 2003.  A copy
of the press release is furnished as Exhibit 99.1 to this report pursuant to
Regulation FD and Item 12.



                                   SIGNATURES


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


Date:  April 16, 2003        MERCURY INTERACTIVE CORPORATION



                             By:  /s/  Susan J. Skaer
                                  --------------------

                             Name: Susan J. Skaer
                                   ---------------
                                   Vice President, General Counsel and Secretary



                                  EXHIBIT INDEX


EXHIBIT NO.                         DESCRIPTION
-----------   ------------------------------------------------------------------
99.1          Press Release of Mercury Interactive Corporation issued on April
              16, 2003 announcing financial results for the quarter ended
              March 31, 2003.