2023-09-11 Osaka

The 2023 Japan Women's Open (known as Kinoshita Group Japan Open Tennis Championships for sponsorship reasons) was a women's tennis tournament played on outdoor hard courts in Osaka, Japan, that was part of the WTA 250 series of tournaments on the 2023 WTA Tour. It was the 12th edition of the Japan Women's Open and was held 11–17 September.

Singles

 * Seeds
 * Draw