| Japan Open | |
|---|---|
| Tournament information | |
| Tour | ITTF World Tour |
| Sponsor | LION (from 2017) |
| Founded | 1989 |
| Location | Kitakyushu (2018) |
| Venue | Kitakyushu City General Gymnasium (2018) |
| Category | World Tour |
| Draw | 32S / 16D |
| Prize money | US$170,000 (2018) |
| Current champions (2018) | |
| Men's singles |  Tomokazu Harimoto |
| Women's singles | Mima Ito |
| Men's doubles |  Jung Young-sik Lee Sang-su |
| Women's doubles |  Gu Yuting Mu Zi |
The Japan Open was an annual table tennis tournament in Japan, run by the International Table Tennis Federation (ITTF). It was part of the ITTF World Tour.