1 EXHIBIT 23.1 INDEPENDENT AUDITOR'S CONSENT We consent to the incorporation by reference in the Registration Statement of Diamond Offshore Drilling, Inc. on Form S-3 of our report dated January 23, 2001, appearing in the Annual Report on Form 10-K of Diamond Offshore Drilling, Inc. for the year ended December 31, 2000. /s/ Deloitte & Touche LLP Houston, Texas June 27, 2001