Exhibit 32.2

                CERTIFICATION 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 Quarterly Report of Anteon International Corporation (the
"Company") on Form 10-Q for the quarterly  period ended March 31, 2005, as filed
with the Securities and Exchange  Commission on the date hereof (the  "Report"),
I, Charles S. Ream,  Executive Vice President and Chief Financial Officer of the
Company,  certify  pursuant to 18 U.S.C.  Section 1350,  as adopted  pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that:

     (1). The Report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934, as amended; and

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

A signed  original of this  written  statement  required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.


Date:  May 16, 2005                           By: /s/ Charles S. Ream
       -----------------                          -----------------------------
                                                  Charles S. Ream
                                                  Executive Vice President and
                                                  Chief Financial Officer


This  certification  accompanies  the  Report  pursuant  to  Section  906 of the
Sarbanes-Oxley  Act of 2002 and  shall not be deemed  filed by the  Company  for
purposes of Section 18 of the  Securities  Exchange Act of 1934, as amended,  or
otherwise  subject to the liability of that section.  This  certification  shall
also  not be  deemed  incorporated  by  reference  into  any  filing  under  the
Securities Act of 1933, as amended,  or the Securities  Exchange Act of 1934, as
amended,  except to the extent that the Company specifically  incorporates it by
reference.