Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statements No. 333-219173, No. 333-91178 and No. 333-168334 on Form S-8 of Park National Corporation of our report dated June 29, 2020, appearing in this Annual Report on Form 11-K of Park National Corporation Employees Stock Ownership Plan for the year ended December 31, 2019.

/s/ Crowe LLP

Crowe LLP

South Bend, Indiana

June 29, 2020