Toto Japan Classic

The Toto Japan Classic is an annual women's professional golf tournament in Japan, jointly sanctioned by the two richest women's professional tours: the U.S.-based LPGA Tour and the LPGA of Japan Tour. It was an unofficial money event on the LPGA Tour from 1973 to 1975. It has taken place every year since 1973 at various locations, and is typically held in early November. From 2006 through 2015, the event has been played at Kintetsu Kashikojima Country Club in Shima, Mie. In 2016 and 2017, the events have been held at Minori Course of Taiheiyo Club in Omitama, Ibaraki, then changed back to the North Course of Seta Golf Course in Ōtsu, Shiga prefecture for 2018 events.

The tournament has had various names and sponsors throughout its history. Its current title sponsor is Toto Ltd. a Japanese bathroom products supplier.

Annika Sörenstam won the tournament five consecutive times from 2001 to 2005.

In 2007, Momoko Ueda of Japan scored a final round double eagle to win by two strokes over runners-up Maria Hjorth and Reilley Rankin.

Tournament names

 * 1973–1974: LPGA Japan Classic
 * 1975: Japan Classic
 * 1976: LPGA/Japan Mizuno Classic
 * 1977–1979: Mizuno Japan Classic
 * 1980–1992: Mazda Japan Classic
 * 1993–1997: Toray Japan Queens Cup
 * 1998: Japan Classic
 * 1999–2014: Mizuno Classic
 * 2015–present: Toto Japan Classic

Winners
PO Won sudden-death playoff 1 The 1990 tournament was shortened to 36 holes due to rain. 2 The 2020 tournament was not sanctioned by the LPGA. 3 The 2021 tournament was not sanctioned by the LPGA.