EXHIBIT 23 Consent of Independent Auditors We consent to the inclusion in the Current Report on Form 8-K of First Merchants Corporation of our report, dated January 25, 2001, on the consolidated financial statements of Lafayette Bancorporation as of December 31, 2000 and 1999 and for each of the three years in the period ended December 31, 2000. CROWE, CHIZEK AND COMPANY LLP December 21, 2001 Indianapolis, Indiana