| Tournament details | |||
|---|---|---|---|
| Dates | 12–17 November | ||
| Edition | 2nd | ||
| Level | Super 500 | ||
| Total prize money | US$420,000 | ||
| Venue | Kumamoto Prefectural Gymnasium | ||
| Location | Kumamoto, Japan | ||
| Champions | |||
| Men's singles |  Li Shifeng | ||
| Women's singles |  Akane Yamaguchi | ||
| Men's doubles |  Fajar Alfian Muhammad Rian Ardianto | ||
| Women's doubles | Liu Shengshu Tan Ning | ||
| Mixed doubles |  Dechapol Puavaranukroh Supissara Paewsampran | ||
| |||
The 2024 Japan Masters (officially known as the Kumamoto Masters Japan 2024) was a badminton tournament which took place at Kumamoto Prefectural Gymnasium in Kumamoto, Japan, from 12 to 17 November 2024 and had a total prize of $420,000.