EXHIBIT 23.1






                               CONSENT OF KPMG LLP



The Board of Directors
Fair, Isaac and Company, Incorporated


We consent to the use of our report dated October 25, 2002, except as to note
20, which is as of November 18, 2002, relating to the consolidated balance
sheets of Fair, Isaac and Company, Incorporated and subsidiaries as of September
30, 2002 and 2001, and the related consolidated statements of income, changes in
stockholders' equity and comprehensive income (loss) and cash flows for each of
the years in the three-year period ended September 30, 2002, which report
appears in the September 30, 2002 annual report on Form 10-K of Fair, Isaac and
Company, Incorporated, incorporated herein by reference in the Form S-8
Registration Statement dated January 30, 2003. Our report dated October 25,
2002, except as to note 20, which is as of November 18, 2002, contains an
explanatory paragraph describing the Company's change in accounting for Business
Combinations.


/s/ KPMG LLP




San Francisco, California
January 24, 2003