Exhibit 32.1

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

I,Bernard Liautaud, and I, James R. Tolonen, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Business Objects S.A. on Form 10-Q for the quarterly period ended March 31, 2005 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report fairly presents, in all material respects, the financial condition and results of operations of Business Objects S.A.

Date: May 9, 2005	By:	/s/ Bernard Liautaud
		Bernard Liautaud
		Chairman of the Board and Chief Executive Officer
Date: May 9, 2005	By:	/s/ James R. Tolonen
		James R. Tolonen
		Chief Financial Officer and Senior Group Vice President