Attached files

file filename
10-Q - 10-Q - ROSETTA STONE INCa2195458z10-q.htm
EX-31.1 - EXHIBIT 31.1 - ROSETTA STONE INCa2195458zex-31_1.htm
EX-32.2 - EXHIBIT 32.2 - ROSETTA STONE INCa2195458zex-32_2.htm
EX-31.2 - EXHIBIT 31.2 - ROSETTA STONE INCa2195458zex-31_2.htm

QuickLinks -- Click here to rapidly navigate through this document


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, 2009 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Tom P. H. Adams, 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) 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 13, 2009

  /s/ TOM P.H. ADAMS

Tom P.H. Adams
Chief Executive Officer
(Principal Executive Officer)



QuickLinks