| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Johan Edvard "Eetu"•Kosonen | |
| Used name | Eetu•Kosonen | |
| Born | 25 September 1888 in Sovetsky, Leningrad |  RUS |
| Died | 23 December 1953 (aged 65 years 2 months 28 days) in Ulvila, Satakunta |  FIN |
| Affiliations | Viipurin Reipas — Vyborg, Leningrad | RUS |
| NOC | Finland | FIN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Artistic Gymnastics (Gymnastics) | FIN |
Eetu Kosonen | |||
| All-Around, Individual, Men (Olympic) | =88 |
