EXHIBIT 32.1

CERTIFICATIONS OF

CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Irene B. Rosenfeld, Chairman and Chief Executive Officer of Mondelēz International, Inc. (“Mondelēz International”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that Mondelēz International’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2017, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in Mondelēz International’s Quarterly Report on Form 10-Q fairly presents in all material respects Mondelēz International’s financial condition and results of operations.

/s/ IRENE B. ROSENFELD

Irene B. Rosenfeld

Chairman and Chief Executive Officer

October 31, 2017

I, Brian T. Gladden, Executive Vice President and Chief Financial Officer of Mondelēz International, Inc. (“Mondelēz International”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that Mondelēz International’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2017, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in Mondelēz International’s Quarterly Report on Form 10-Q fairly presents in all material respects Mondelēz International’s financial condition and results of operations.

/s/ BRIAN T. GLADDEN

Brian T. Gladden

Executive Vice President and

Chief Financial Officer

October 31, 2017

A signed original of these written statements required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to Mondelēz International, Inc. and will be retained by Mondelēz International, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.