1 EXHIBIT 23 CONSENT OF ERNST & YOUNG, INDEPENDENT AUDITORS We consent to the incorporation by reference in the following Registration Statements of KeyCorp (formerly Society Corporation) and in the related Prospectuses of our report dated January 28, 1994, except for Note 2, as to which the date is March 1, 1994, with respect to the consolidated financial statements of Society Corporation and Subsidiaries, and of our report dated March 1, 1994 with respect to the Supplemental Financial Statements of KeyCorp (which give effect to the March 1, 1994 merger of the predecessor organizations, KeyCorp and Society Corporation) included in this Annual Report (Form 10-K) for the year ended December 31, 1993: * Form S-3 No. 33-5064 Form S-3 No. 33-10634 Form S-3 No. 33-39733 Form S-3 No. 33-39734 Form S-3 No. 33-51652 * Form S-4 No. 33-31569 Form S-4 No. 33-44657 Form S-4 No. 33-51717 * Form S-8 No. 2-67589 Form S-8 No. 2-96769 Form S-8 No. 2-97452 Form S-8 No. 33-21643 Form S-8 No. 33-42691 Form S-8 No. 33-45518 Form S-8 No. 33-46278 Form S-8 No. 33-52293 Form S-8 No. 33-57408 * Form S-8 No. 33-31569 (Post-Effective Amendment No. 1 to Form S-4) Form S-8 No. 33-31569 (Post-Effective Amendment No. 2 to Form S-4) Form S-8 No. 33-31569 (Post-Effective Amendment No. 3 to Form S-4) Form S-8 No. 33-44657 (Post-Effective Amendment No. 1 to Form S-4) Form S-8 No. 33-51717 (Post-Effective Amendment No. 1 to Form S-4) /s/ Ernst & Young Ernst & Young Cleveland, Ohio March 28, 1994