1 EXHIBIT 23 REPORT AND CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in this Annual Report (Form 10-K) of Rock-Tenn Company of our report dated October 25, 2000 included in the 2000 Annual Report to Shareholders of Rock-Tenn Company. Our audits also include the financial statement schedule of Rock-Tenn Company listed in Item 14(a). This schedule is the responsibility of the Company's management. Our responsibility is to express an opinion based on our audits. In our opinion, the financial statement schedule referred to above, when considered in relation to the basic financial statements taken as a whole, presents fairly in all material respects the information set forth therein. We also consent (a) to the incorporation by reference in (i) the Registration Statement (Form S-8 No. 333-77237) which pertains to the Rock-Tenn Company 1993 Employee Stock Option Plan, the Rock-Tenn Company 1993 Stock Purchase Plan, the Rock-Tenn Company 1989 Stock Option Plan and the Rock-Tenn Company 1987 Stock Option Plan, (ii) the Registration Statement (Form S-8 No. 33-83304) which pertains to the Rock-Tenn Company 1993 Employee Stock Option Plan, the Rock-Tenn Company 1993 Employee Stock Purchase Plan, the Rock-Tenn Company Incentive Stock Option Plan, the Rock-Tenn Company 1989 Stock Option Plan, and the Rock-Tenn Company 1987 Stock Option Plan, and (iii) the Registration Statement (Form S-3 No. 33-93934) of Rock-Tenn Company, of our report dated October 25, 2000, with respect to the consolidated financial statements incorporated herein by reference; and (b) to the use of our report included in the preceding paragraph with respect to the financial statement schedule included in this Annual Report (Form 10-K) for the year ended September 30, 2000, and our report dated November 10, 2000, with respect to the financial statements of the Rock-Tenn Company 1993 Employee Stock Purchase Plan filed as an Exhibit to this Annual Report (Form 10-K) for the year ended September 30, 2000. ERNST & YOUNG LLP Atlanta, Georgia December 14, 2000