1 EXHIBIT 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS The Board of Directors Peoples Heritage Financial Group, Inc.: We consent to incorporation by reference in the Registration Statements (Nos. 33-22205, 33-22206, 33-80310, 333-17467 and 333-46367) on Form S-8 of Peoples Heritage Financial Group, Inc. of our report, dated January 14, 1998, incorporated by reference in the December 31, 1997 Annual Report on Form 10-K of Peoples Heritage Financial Group, Inc. /s/ KPMG Peat Marwick LLP Boston, Massachusetts March 23, 1998