Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 6, 2004 relating to the consolidated financial statements, which appears in the 2003 Annual Report to Stockholders of Zenith National Insurance Corp. (the "Company"), which is incorporated by reference in the Company's Annual Report on Form 10-K for the year ended December 31, 2003. We also consent to the incorporation by reference of our report dated February 6, 2004 relating to the financial statement schedules, which appears in such Annual Report on Form 10-K.
PricewaterhouseCoopers LLP
Los Angeles, California
May 26, 2004