EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement of Form S-8 of our reports dated Feb- ruary 9, 1999 included in International Paper Company's Form 10-K for the year ended December 31, 1998 and to all references to our Firm included in this Reg- istration Statement. Arthur Andersen LLP New York, New York August 12, 1999