| 2023 Japan Open Tennis Championships | |
|---|---|
| Date | 16–22 October |
| Edition | 48th |
| Category | ATP Tour 500 |
| Draw | 32S/16D |
| Prize money | $2,013,940 |
| Surface | Hard / outdoor |
| Location | Tokyo, Japan |
| Venue | Ariake Coliseum |
| Champions | |
| Singles | |
 Ben Shelton | |
| Doubles | |
 Rinky Hijikata / Max Purcell | |
The 2023 Japan Open Tennis Championships (also known as the Kinoshita Group Japan Open Tennis Championships for sponsorship reasons) was a men's tennis tournament played on outdoor hard courts. It was the 48th edition of the Japan Open, and was part of the ATP Tour 500 series of the 2023 ATP Tour. It was held at the Ariake Coliseum in Tokyo, Japan, from 16 to 22 October 2023.[1]
- ^ "Kinoshita Group Japan Open Tennis Championships Overview". atptour.com.