The 2002 AIG Japan Open Tennis Championships was a combined men's and women's tennis tournament played on outdoor hard courts at the Ariake Coliseum in Tokyo in Japan that was part of the International Series Gold of the 2002 ATP Tour and of Tier III of the 2002 WTA Tour. The tournament ran from September 30 through October 6, 2002. Kenneth Carlsen and Jill Craybas won the singles titles.
See main article: 2002 AIG Japan Open Tennis Championships – Men's singles. Kenneth Carlsen defeated Magnus Norman 7–6(8–6), 6–3
See main article: 2002 AIG Japan Open Tennis Championships – Women's singles. Jill Craybas defeated Silvija Talaja 2–6, 6–4, 6–4
See main article: 2002 AIG Japan Open Tennis Championships – Men's doubles. Jeff Coetzee / Chris Haggard defeated Jan-Michael Gambill /
Graydon Oliver 7–6(7–4), 6–4
See main article: 2002 AIG Japan Open Tennis Championships – Women's doubles. Shinobu Asagoe /
Nana Miyagi defeated
Svetlana Kuznetsova /
Arantxa Sánchez-Vicario 6–4, 4–6, 6–4