Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-8 of First Financial Bancorp. of our report dated February 21, 2020 relating to the consolidated financial statements and effectiveness of internal control over financial reporting appearing in the Annual Report on Form 10-K of First Financial Bancorp. for the year ended December 31, 2019.
| /s/ Crowe | |
| Crowe LLP |
Indianapolis, Indiana
May 26, 2020