2002 AIG Japan Open Tennis Championships
Date	September 30 – October 6
Edition	29th
Surface	Hard / outdoor
Location	Tokyo, Japan
Venue	Ariake Coliseum
Champions
Men's singles
Kenneth Carlsen[1]
Women's singles
Jill Craybas
Men's doubles
Jeff Coetzee / Chris Haggard[2]
Women's doubles
Shinobu Asagoe / Nana Miyagi
← 2001 · Japan Open · 2003 →

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.

Finals

Men's singles

Kenneth Carlsen defeated Magnus Norman 7–6^(8–6), 6–3

• It was Carlsen's only title of the year and the 2nd of his career.

Women's singles

Jill Craybas defeated Silvija Talaja 2–6, 6–4, 6–4

• It was Craybas' only title of the year and the 1st of her career.

Men's doubles

Jeff Coetzee / Chris Haggard defeated Jan-Michael Gambill / Graydon Oliver 7–6^(7–4), 6–4

• It was Coetzee's 2nd title of the year and the 2nd of his career. It was Haggard's 2nd title of the year and the 3rd of his career.

Women's doubles

Shinobu Asagoe / Nana Miyagi defeated Svetlana Kuznetsova / Arantxa Sánchez-Vicario 6–4, 4–6, 6–4

• It was Asagoe's 2nd title of the year and the 2nd of her career. It was Miyagi's only title of the year and the 10th of her career.