| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Kenji•Onuma |
| Used name | Kenji•Onuma |
| Original name | 大沼•賢治 |
| Born | 12 March 1931 in ?, Osaka (JPN) |
| Measurements | 162 cm / 69 kg |
| Affiliations | Waseda University, Tokyo (JPN) |
| NOC | Japan |
Kenji Onuma had the following podium finishes at major championships: 2nd in the 1958 Asian Games Middleweight class. He set one world record in the clean & jerk.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Weightlifting | JPN |
Kenji Onuma | |||
| Lightweight, Men (Olympic) | 4 | |||||
| 1960 Summer Olympics | Weightlifting | JPN |
Kenji Onuma | |||
| Lightweight, Men (Olympic) |