| Tournament details | |||
|---|---|---|---|
| Dates | 25 July – 30 July | ||
| Edition | 42nd | ||
| Level | Super 750 | ||
| Total prize money | US$850,000 | ||
| Venue | Yoyogi National Gymnasium | ||
| Location | Tokyo, Japan | ||
| Champions | |||
| Men's singles |  Viktor Axelsen | ||
| Women's singles |  An Se-young | ||
| Men's doubles |  Lee Yang Wang Chi-lin | ||
| Women's doubles | Kim So-yeong Kong Hee-yong | ||
| Mixed doubles |  Yuta Watanabe Arisa Higashino | ||
| |||
The 2023 Japan Open (officially known as the Daihatsu Japan Open 2023) was a badminton tournament which took place at Yoyogi National Gymnasium in Tokyo, Japan, from 25 July to 30 July 2023 and had a total purse of $850,000.