EX-23 3 pwcconsentexhibit23.txt PRICEWATERHOUSECOOPERS 2007 10-K CONSENT Exhibit 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-145668), Form S-8 (No. 333-51494), and Form S-8 (No. 333-143770) of Leucadia National Corporation of our report dated February 28, 2008 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP New York, New York February 28, 2008