Exhibit 23.1
 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
 
We consent to the incorporation by reference in Registration Statement No. 333-155676 on Form S-3 and on Registration Statement No. 333-136090 on Form S-8 of our report dated February 27, 2009, relating to the financial statements of Wyndham Worldwide Corporation and subsidiaries (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Wyndham Worldwide Corporation (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the fact that, prior to its separation from Cendant Corporation (“Cendant”; known as Avis Budget Group since August 29, 2006), the Company was comprised of the assets and liabilities used in managing and operating the lodging, vacation exchange and rental and vacation ownership businesses of Cendant. Included in Notes 22 and 23 of the consolidated and combined financial statements is a summary of transactions with related parties. As discussed in Note 23 to the consolidated and combined financial statements, in connection with its separation from Cendant, the Company entered into certain guarantee commitments with Cendant and has recorded the fair value of these guarantees as of July 31, 2006. As discussed in Note 7 to the consolidated and combined financial statements, the Company adopted Financial Accounting Standards Board Interpretation No. 48, Accounting for Uncertainty in Income Taxes—an interpretation of FASB Statement No. 109 on January 1, 2007. Also, as discussed in Notes 2 and 14 to the consolidated and combined financial statements, the Company adopted Statement of Financial Accounting Standards No. 157, Fair Value Measurements, on January 1, 2008, except as it applies to those nonfinancial assets and nonfinancial liabilities as noted in FASB Staff Position (“FSP”) FAS 157-2, which was issued on February 12, 2008.).
 
/s/ Deloitte & Touche LLP
Parsippany, New Jersey
February 26, 2009