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 GeoVax Labs, Inc. (the “Company”) on Form 10-Q for the three months ended June 30, 2008, I, Robert T. McNally, 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 the best of my knowledge:

1. The quarterly report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

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

Dated: August 11, 2008	/s/ Robert T. McNally
	Robert T. McNally
	President & Chief Executive Officer