| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Olavi Onni Albin•Hynninen |
| Used name | Onni•Hynninen |
| Born | 27 November 1910 in Pravdino, Leningrad (RUS) |
| Died | 24 June 2001 (aged 90 years 6 months 27 days) in Valkeakoski, Pirkanmaa (FIN) |
| NOC |  Finland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Shooting | FIN |
Onni Hynninen | |||
| Small-Bore Rifle, Prone, Men (Olympic) | 16 |
