Amazon.com (AMZN) 10-Q 2008 Q1 Quarterly report

Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350

In connection with the Quarterly Report of Amazon.com, Inc. (the “Company”) on Form 10-Q for the three months ended March 31, 2008 as filed with the SEC on or about the date hereof (the “Report”), I, Jeffrey P. Bezos, Chairman and Chief Executive 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; 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 has been provided to the Company and will be retained by the Company and furnished to the SEC or its staff upon request.

/s/    JEFFREY P. BEZOS        

Jeffrey P. Bezos

Chairman and Chief Executive Officer

(Principal Executive Officer)

Date: April 23, 2008