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
I, Barry Diller, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that, to my knowledge:

(1) | the Annual Report on Form 10-K for the fiscal year ended December 31, 2014 of IAC/InterActiveCorp (the "Report") which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

(2) | the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of IAC/InterActiveCorp.

Dated: | February 27, 2015 |  | /s/ BARRY DILLER
|  |  | Barry Diller Chairman and Senior Executive