EX-99.CERT

                           CERTIFICATIONS PURSUANT TO
                  SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Thomas S. Schreier, Jr., certify that:

1.   I have reviewed this report on Form N-CSR of First American Investment
Funds, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement of
a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements were
made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report;

Date:  May ___, 2003

/s/ Thomas S. Schreier, Jr.
--------------------------------
Thomas S. Schreier, Jr.
President
*************************
I, Robert H. Nelson, certify that:

1.   I have reviewed this report on Form N-CSR of First American Investment
Funds, Inc.;

2.   Based on my knowledge, this report does not contain any untrue statement of
a material fact or omit to state a material fact necessary to make the
statements made, in light of the circumstances under which such statements were
made, not misleading with respect to the period covered by this report;

3.   Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report;

Date:  May ___, 2003

/s/ Robert H. Nelson.
------------------------------
Robert H. Nelson
Treasurer



EX-99.1

                           CERTIFICATION 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
"Fund") do hereby certify 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:  May ____, 2003

By  /s/ Robert H. Nelson
    ---------------------
       Robert H. Nelson
       Treasurer

Date:  May ____, 2003

A signed original of this written statement required by section 906 has been
provided to the Fund and will be retained by the Fund and furnished to the
Securities and Exchange Commission or its staff upon request