Publix Super Markets (PUSH) 10-K 2020 FY Annual report

Exhibit 23

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Publix Super Markets, Inc.:

We consent to the incorporation by reference in the registration statements (No. 333-232785, No. 033-55867, No. 333-62705, No. 333-63544, No. 333-147049 and No. 333-177948) on Form S-8 of Publix Super Markets, Inc. of our report dated March 1, 2021, with respect to the consolidated balance sheets of Publix Super Markets, Inc. and subsidiaries as of December 26, 2020 and December 28, 2019, and the related consolidated statements of earnings, comprehensive earnings, cash flows and stockholders’ equity for each of the years in the three-year period ended December 26, 2020, and the related notes and financial statement schedule (collectively, the consolidated financial statements), which report appears in the December 26, 2020 Annual Report on Form 10-K of Publix Super Markets, Inc.

Our report refers to a change in accounting for leases as of December 30, 2018 due to the adoption of Accounting Standards Codification Topic 842, Leases.

/s/ KPMG LLP

Tampa, Florida

March 1, 2021