Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Pinnacle Financial Partners, Inc. 401(k) Plan

Nashville, Tennessee

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-49564) of Pinnacle Financial Partners, Inc. of our report dated June 28, 2023,appearing in this Annual Report on Form 11-K of the Pinnacle Financial Partners, Inc. 401(k) Plan for the year ended December 31, 2022.

/s/ LBMC, PC    

Knoxville, Tennessee

June 28, 2023