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                                                                   EX-99.906CERT

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

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. section
1350), the undersigned officers of First American Investment Funds, Inc. (the
"Funds") do hereby certify, to the best of each such officer's knowledge, that:

1.      The N-CSR of the Fund (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 the operations of the
        Fund.

By  /s/ Thomas S. Schreier, Jr.
    ---------------------------
    Thomas S. Schreier, Jr.
    President

Date: December 8, 2003


By  /s/ Jonathan P. Lillemoen
    -----------------------------
    Jonathan P. Lillemoen
    Director, USBAM Fund Treasury

Date: December 8, 2003