Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated February 28, 2005, relating to the consolidated financial statements and financial statement schedule of Harrah’s Entertainment, Inc. (which report expresses an unqualified opinion and includes an explanatory paragraph relating to Harrah’s Entertainment, Inc.’s change in 2002 in its method of accounting for goodwill and other intangible assets to conform to Statement of Financial Accounting Standards No. 142, Goodwill and Other Intangible Assets) and management’s report on the effectiveness of internal control over financial reporting appearing in the Annual Report on Form 10-K of Harrah’s Entertainment, Inc. for the year ended December 31, 2004.

/s/ DELOITTE & TOUCHE LLP

Las Vegas, Nevada

December 14, 2005