1 EXHIBIT 23.3 CONSENT OF INDEPENDENT AUDITORS We consent to the reference to our firm under the caption "Experts" in the Registration Statement (Form S-4) and related Proxy Statement/Prospectus of Park National Corporation for the registration of 835,500 of its common shares, and to (a) the use of our report dated January 18, 2000, with respect to the consolidated financial statements of Park National Corporation for the fiscal year ended December 31, 1999 included in the Proxy Statement/Prospectus in Appendix B, and (b) the incorporation by reference herein of our report dated January 19, 1999, with respect to the consolidated financial statements of Park National Corporation incorporated by reference in its Annual Report (Form 10-K) for the year ended December 31, 1998, filed with the Securities and Exchange Commission. /s/ Ernst & Young LLP Columbus, Ohio March 6, 2000