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 John B. Sanfilippo & Son, Inc. (the
"Company") on Form 10-Q for the quarter ended December 25, 2003 as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Jasper B. Sanfilippo, Chairman of the Board 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 based on my knowledge:

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.

January 27, 2004

                                        /s/ Jasper B. Sanfilippo
                                        ---------------------------------------
                                        Jasper B. Sanfilippo
                                        Chairman of the Board
                                        and Chief Executive Officer