Japan national under-18 baseball team
| Japan Baseball U-18 | |
|---|---|
| Information | |
| Country | Japan |
| Federation | Baseball Federation of Japan |
| Confederation | Baseball Federation of Asia |
| WBSC ranking | |
| Current | 1 (31 December 2025) |
| Best result | 1st (1 time, in 2023) |
| Medal record | ||
|---|---|---|
| U-18 World Cup | ||
| 2023 Taiwan | ||
The Japan national under-18 baseball team is the national under-18 team representing Japan in international baseball competitions. The organization is currently ranked 1st in the world by the World Baseball Softball Confederation. They compete in the bi-annual U-18 Baseball World Cup. They have finished 2nd in the tournament four times.