EXHIBIT 23 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in this Annual Report (Form 10-K) of Capital One Financial Corporation of our report dated January 19, 1999, included in the 1998 Annual Report to Stockholders of Capital One Financial Corporation. We also consent to the incorporation by reference in the following Registration Statements of Capital One Financial Corporation of our report dated January 19, 1999, with respect to the consolidated financial statements of Capital One Financial Corporation incorporated by reference in the Annual Report (Form 10-K) for the year ended December 31, 1998: Registration Statement Number Form Description ---------------------- ---- ----------- 33-80263 Form S-8 Marketing and Management Services Agreement 33-86874 Form S-8 Employee Stock Purchase Plan 33-86876 Form S-8 Employee Savings Plan 33-86986 Form S-8 1994 Stock Incentive Plan 33-91790 Form S-8 1995 Non-Employee Directors Stock Incentive Plan 33-97032 Form S-8 Amendment to 1994 Stock Incentive Plan 33-99748 Form S-3 Dividend Reinvestment and Stock Purchase Plan 333-3580 Form S-3 Debt Securities, Preferred Stock and Common Stock in the amount of $200 million 333-42853 Form S-8 1994 Stock Incentive Plan 333-45453 Form S-8 Associate Savings Plan 333-51639 Form S-8 1994 Stock Incentive Plan, Tier 5 Special Option Program 333-51637 Form S-8 1994 Stock Incentive Plan 333-57317 Form S-8 1994 Stock Incentive Plan, 1998 Special Option Program 333-58577 Form S-3 Debt Securities, Preferred Stock and Common Stock in the amount of $500 million 333-60831 Form S-3 Acquisition of Summit Acceptance Corporation 333-70305 Form S-8 1994 Stock Incentive Plan, Supplemental Special Option Program ERNST & YOUNG LLP Washington, D.C. March 25, 1999