Exhibit 23.1



                        Consent of Independent Auditors


We consent to the reference to our firm under the caption "Experts" in the
Post-Effective Amendment No. 2 (Form S-3 No. 333-58958) and related Prospectus
of National Processing, Inc. and to the incorporation by reference therein of
our report dated January 23, 2003, with respect to the consolidated financial
statements of National Processing, Inc. included in its Annual Report on Form
10-K for the year ended December 31, 2002, filed with the Securities and
Exchange Commission.


                                                  /s/ Ernst & Young LLP


Cleveland, Ohio
April 10, 2003