Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Bloomin’ Brands, Inc. (the “Company”) on Form 10-Q for the quarter ended June 25, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David J. Deno, Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company for the dates and periods covered by the Report.

Date:	August 1, 2023	/s/ David J. Deno
		David J. Deno
		Chief Executive Officer (Principal Executive Officer)

A signed original of this written statement required by Section 906 has been provided to, and will be retained by, Bloomin’ Brands, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.