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

Rogers Communications Inc.

In connection with the Annual Report on Form 40-F of Rogers Communications Inc., a corporation organized under the laws of British Columbia
(the Company), for the period ending December 31, 2014 as filed with the Securities and Exchange Commission on the date hereof (the Report), each of the undersigned officers of the Company certify pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 that:

1. the Report fully complies with the
requirements of Section 13(a) or 15(d), as applicable, 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.



|                         |  |  |  |  |  |                                                   
|------------------------ |  |  |  |  |  | --------------------------------------------------
|Dated: February 13, 2015 |  |  |  |  |  | Jonathan Guy Laurence                           
|                         |  |  |  |  |  | Jonathan Guy Laurence                             
|                         |  |  |  |  |  | Director and President and Chief Executive Officer



|                         |  |  |  |  |  |                             
|------------------------ |  |  |  |  |  | ----------------------------
|Dated: February 13, 2015 |  |  |  |  |  | Anthony Staffieri         
|                         |  |  |  |  |  | Anthony Staffieri, FCPA, FCA
|                         |  |  |  |  |  | Chief Financial Officer     



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Certification Pursuant to

18 U.S.C. Section 1350

As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

Rogers Communications Partnership

In connection with the Annual Report on Form 40-F of Rogers Communications Inc., a corporation organized under the laws of British Columbia
(the Company), for the period ending December 31, 2014 as filed with the Securities and Exchange Commission on the date hereof (the Report), each of the undersigned officers of Rogers Communications Partnership certify
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 that:

1. the Report
fully complies with the requirements of Section 13(a) or 15(d), as applicable, 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.



|                         |  |  |  |  |  |                                                         
|------------------------ |  |  |  |  |  | --------------------------------------------------------
|Dated: February 13, 2015 |  |  |  |  |  | Graeme H. McPhail                                     
|                         |  |  |  |  |  | Graeme H. McPhail                                       
|                         |  |  |  |  |  | Senior Vice President, Legal & Associate General Counsel



|                         |  |  |  |  |  |                             
|------------------------ |  |  |  |  |  | ----------------------------
|Dated: February 13, 2015 |  |  |  |  |  | Anthony Staffieri         
|                         |  |  |  |  |  | Anthony Staffieri, FCPA, FCA
|                         |  |  |  |  |  | Chief Financial Officer