EXHIBIT 32.1

                  CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350
                       AS ADOPTED PURSUANT TO SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Herley Industries,  Inc. (the "Company")
on Form 10-K for the year ended August 3, 2008, as filed with the Securities and
Exchange  Commission on the date hereof (the "Report"),  I, Myron Levy, Chairman
of the  Board  and Chief  Executive  Officer  of the  Company,  hereby  certify,
pursuant to 18 U.S.C.  Section 1350,  as adopted  pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that, to my knowledge:

     (1)  Such Report fully complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in such Report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Company.


                                   Date:   October 21, 2008

                                   By:    /S/  Myron Levy
                                          --------------------------------------
                                   Name:   Myron Levy
                                   Title:  Chairman of the Board and
                                           Chief Executive Officer



                  CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350
                       AS ADOPTED PURSUANT TO SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Herley Industries,  Inc. (the "Company")
on Form 10-K for the year ended August 3, 2008, as filed with the Securities and
Exchange  Commission  on the date hereof (the  "Report"),  I, Kevin J.  Purcell,
Chief Financial  Officer of the Company,  hereby certify,  pursuant to 18 U.S.C.
Section 1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley  Act of
2002, that, to my knowledge:

     (1)  Such Report fully complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

     (2)  The  information  contained  in such Report  fairly  presents,  in all
          material respects,  the financial  condition and results of operations
          of the Company.

                                     Date:  October 21, 2008

                                     By:    /S/ Kevin J. Purcell
                                            ------------------------------------
                                     Name:  Kevin J. Purcell
                                     Title: Chief Financial Officer