Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350

In connection with the Quarterly Report on Form 10-Q of Rosetta Stone Inc. (the “Company”) for the quarter ended September 30, 2012 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Stephen M. Swad, Chief Executive Officer, of the Company, certify, pursuant to § 906 of the Sarbanes-Oxley Act of 2002,18 U.S.C. § 1350, that to my knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m); and

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

Date: November 8, 2012

/s/ STEPHEN M. SWAD

Stephen M. Swad

Chief Executive Officer