Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 of Old National Bancorp of our report dated February 22, 2023, with respect to the consolidated financial statements and effectiveness of internal control over financial reporting, appearing in the Annual Report on Form 10-K of Old National Bancorp for the year ended December 31, 2022, and to the reference to us under the heading "Experts" in the prospectus.

	/s/ Crowe LLP
	Crowe LLP
Louisville, Kentucky
May 31, 2023