| Japan Open | |
|---|---|
| Tournament information | |
| Venue | Sumida Sangyo Kaikan |
| Location | Tokyo |
| Country | Japan |
| Established | 1988 |
| Organisation(s) | WDF |
| Prize fund | YEN 660,000 |
| Current champion(s) | |
| Paul Lim (men's) Mikuru Suzuki (women's) | |
The Japan Open is a darts tournament that has been held annually since 2005.