EXHIBIT 99.2

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                       AS ADOPTED PURSUANT TO SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002

I, Gary Allen, Interim Chief Financial Officer of Rubio's Restaurants, Inc. (the
"Company"), do 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 my
knowledge:

         (a) the Annual Report on Form 10-K of the Company for the fiscal year
ended December 29, 2002, as filed with the Securities and Exchange Commission
(the "Report"), fully complies with the requirements of Section 13(a) or 15(d)
of the Securities Exchange Act of 1934; and

         (b) the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

Dated: March 27, 2002

/s/  Gary Allen
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Gary Allen
Interim Chief Financial Officer