EXHIBIT 32.1

                            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 Parker Drilling Company (the
"Company") on Form 10-Q for the quarter ended June 30, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Robert
L. Parker Jr., as President and Chief Executive Officer of the Company, and
James W. Whalen as Chief Financial Officer of the Company, each hereby
certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, to the best of his knowledge,
respectively, that:

         1.   The 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 the Report fairly presents, in all
              material respects, the financial condition and result of
              operations of the Company.

/s/ Robert L. Parker Jr.                            /s/ James W. Whalen
--------------------------                          ---------------------------
Robert L. Parker Jr.                                James W. Whalen
President and Chief Executive                       Senior Vice President and
Officer                                             Chief Financial Officer




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