| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Leo Edvard•Vainonen | |
| Used name | Leo•Vainonen | |
| Born | 26 June 1952 in Gävle, Gävleborg |  SWE |
| Measurements | 183 cm / 74 kg | |
| Affiliations | BK Falken — Gävle, Gävleborg | SWE |
| NOC | Sweden | SWE |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1976 Summer Olympics | Boxing | SWE |
Leo Vainonen | |||
| Light-Middleweight, Men (Olympic) | =9 | |||||
| 1980 Summer Olympics | Boxing | SWE |
Leo Vainonen | |||
| Light-Middleweight, Men (Olympic) | =9 |
