================================================================================

                                  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): June 5, 2006

                                   ----------

                                   ANSYS, INC.
             (Exact Name of Registrant as Specified in its Charter)

          Delaware                   0-20853                     04-3219960
(State or Other Jurisdiction       (Commission                (I.R.S. Employer
      of Incorporation)           File Number)               Identification No.)

   275 Technology Drive, Canonsburg, PA                            15317
 (Address of Principal Executive Offices)                       (Zip Code)


       (Registrant's Telephone Number, Including Area Code) (724) 746-3304

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 (see General Instruction A.2. below):

[ ]  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 7.01  REGULATION FD DISCLOSURE.

     On June 5, 2006, ANSYS, Inc. issued a press release updating its guidance
for the second quarter and full year of 2006. A copy of the press release is
attached as Exhibit 99.1.

     In accordance with General Instruction B.2 of Form 8-K, the information in
this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to
be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as
amended (the "Exchange Act"), or otherwise subject to the liability of that
section, and shall not be incorporated by reference into any registration
statement or other document filed under the Securities Act of 1933, as amended,
or the Exchange Act, except as shall be expressly set forth by specific
reference in such filing.

ITEM 9.01  FINANCIAL STATEMENTS AND EXHIBITS.

         (d)      Exhibits.

                  EXHIBIT
                  NUMBER     DESCRIPTION
                  --------   --------------------------------------------------
                  99.1       Press Release of the Registrant dated June 5, 2006



                                    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.

                                         ANSYS, INC.


Date: June 5, 2006                       By: /s/ MARIA T. SHIELDS
                                             -----------------------------------
                                             Maria T. Shields - Chief Financial
                                             Officer, VP of Finance and
                                             Administration

                                             (Ms. Shields is the  Principal
                                             Financial and Accounting Officer
                                             and has been duly authorized to
                                             sign on behalf of the Registrant)



                                INDEX TO EXHIBITS

EXHIBIT NUMBER     DESCRIPTION OF EXHIBIT
---------------    -------------------------------------------------------------
99.1               Press Release of the Registrant dated June 6, 2006