Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on FormS-8 of our reports dated February 28, 2020, relating to the consolidated financial statements of Prosperity Bancshares, Inc. and subsidiaries, and the effectiveness of Prosperity Bancshares, Inc.’s internal control over financial reporting appearing in the Annual Report on Form10-K of Prosperity Bancshares, Inc. for the year ended December 31, 2019.
/s/ Deloitte & Touche LLP
Houston, Texas
April 21, 2020
