1993 Japan Open Tennis Championships
Date	5–11 April
Edition	20th
Surface	Hard / outdoor
Location	Tokyo, Japan
Venue	Ariake Coliseum
Champions
Men's singles
Pete Sampras[1]
Women's singles
Kimiko Date
Men's doubles
Ken Flach / Rick Leach[2]
Women's doubles
Ei Iida / Maya Kidowaki
← 1992 · Japan Open · 1994 →

The 1993 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 Championship Series of the 1993 ATP Tour and of Tier III of the 1993 WTA Tour. The tournament was held from 5 April through 11 April 1993. Pete Sampras and Kimiko Date won the singles titles.^[3]

Finals

Men's singles

Pete Sampras defeated Brad Gilbert 6–2, 6–2, 6–2

• It was Sampras' 3rd title of the year and the 16th of his career.

Women's singles

Kimiko Date defeated Stephanie Rottier 6–1, 6–3

• It was Date's 1st title of the year and the 2nd of her career.

Men's doubles

Ken Flach / Rick Leach defeated Glenn Michibata / David Pate 2–6, 6–3, 6–4

Women's doubles

Ei Iida / Maya Kidowaki defeated Li Fang / Kyōko Nagatsuka 6–2, 4–6, 6–4