Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in this Registration Statement of Old National Bancorp on FormS-3 of our report dated February 12, 2020 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, appearing in Old National Bancorp’s Annual Report on Form10-K for the year ended December 31, 2019. We also consent to the reference to us under the heading “Experts” in this Registration Statement.
/s/ Crowe LLP
Louisville, Kentucky
June 5, 2020
