| Keiji Yamaguchi | |
|---|---|
| Statistics | |
| Real name | 山口圭司 |
| Weight(s) |
Light flyweight Super bantamweight |
| Height | 5′5″ / 165 cm |
| Nationality |
|
| Born |
February 17, 1974 Hokkaido, Japan |
| Stance | Southpaw |
| Boxing record | |
| Total fights | 39 |
| Wins | 30 |
| Wins by KO | 11 |
| Losses | 8 |
| Draws | 1 |
| No contests | 0 |
Keiji Yamaguchi (山口圭司 Yamaguchi Keiji, born February 17, 1974) is a former professional boxer from Hokkaido, Japan. Yamaguchi held the WBA light flyweight championship of the world, defeating Panamanian champion Carlos Murillo in 1996 via a 12th-round split decision.