WTA Tokyo can refer to any Women's Tennis Association tournament held in Tokyo, Japan:
Toray Pan Pacific Open, a Tier I event first held in 1984
Japan Open Tennis Championships, a Tier III event held in 1979
Japan Women's Open, a WTA International event first held in Tokyo in 2015
(Nichirei) Tokyo International, a Tier II event held from 1990–1996
Toyota Princess Cup, a Tier II event held from 1997–2002
Lion's Cup, an event held from 1978-1985.