EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors
Jack in the Box Inc.:

We consent to the incorporation by reference in the registration statements (Nos. 33-67450, 33-51490, 333-85669, 333-127765, 333-26781, 333-88356, 333-115619 and 333-134186) on Form S-8 of Jack in the Box Inc. of our reports dated November 20, 2006, with respect to the consolidated balance sheets of Jack in the Box Inc. as of October 1, 2006 and October 2, 2005, and the related consolidated statements of earnings, cash flows, and stockholders’ equity for the fifty-two weeks ended October 1, 2006 and October 2, 2005, and for the fifty-three weeks ended October 3, 2004, management’s assessment of the effectiveness of internal control over financial reporting as of October 1, 2006, and the effectiveness of internal control over financial reporting as of October 1, 2006, which reports appear in the October 1, 2006, annual report on Form 10-K of Jack in the Box Inc.

Our report on the consolidated financial statements dated November 20, 2006, contains an explanatory paragraph that states that the Company adopted Statement of Financial Accounting Standards No. 123 (revised 2004), Share-Based Payment, and Financial Accounting Standards Board Interpretation No. 47, Accounting for Conditional Asset Retirement Obligations, in fiscal year 2006.

/s/ KPMG LLP

San Diego, California

November 20, 2006