Match (MTCH) 10-K 2005 FY Annual report

EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following registration statements (and any amendments thereto) of our reports dated March 8, 2006, with respect to the consolidated financial statements and schedule of IAC/InterActiveCorp, IAC/InterActiveCorp management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of IAC/InterActiveCorp, included in this Annual Report (Form 10-K) and any amendments thereto for the year ended December 31, 2005:

COMMISSION FILE NO.:

Form S-8, No. 033-53909

Form S-8, No. 333-03717

Form S-8, No. 333-18763

Form S-8, No. 333-48869

Form S-8, No. 333-48863

Form S-8, No. 333-57667

Form S-8, No. 333-65335

Form S-8, No. 333-34146

Form S-8, No. 333-37286

Form S-8, No. 333-37284

Form S-3, No. 333-105095

Form S-8, No. 333-101199

Form S-8, No. 333-105014

Form S-8, No. 333-105876

Form S-8, No. 333-104973

Form S-8, No. 333-110247

Form S-8, No. 333-118724

Form S-8, No. 333-127410

Form S-8, No. 333-127411

Form S-8, No. 333-124303

                       /s/ Ernst & Young LLP

New York, New York

March 8, 2006