| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Johannes Evert "Hannes"•Koivunen | |
| Used name | Hannes•Koivunen | |
| Nick/petnames | Hanski | |
| Born | 24 August 1911 in Helsinki, Uusimaa |  FIN |
| Died | 29 September 1990 (aged 79 years 1 month 5 days) in Helsinki, Uusimaa | FIN |
| NOC | Finland | FIN |
Hannes Koivunen was eliminated in the first round of the 1937 European Championships light-heavyweight.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Boxing | FIN |
Hannes Koivunen | |||
| Light-Heavyweight, Men (Olympic) | =5 |
