| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Hannes•Kärkkäinen | |
| Used name | Hannes•Kärkkäinen | |
| Born | 17 July 1902 in Lappee, Lappeenranta, Etelä-Karjala |  FIN |
| Died | 21 April 1938 (aged 35 years 9 months 4 days) in near Petrozavodsk, Respublika Kareliya |  RUS |
| NOC | Finland | FIN |
Kärkkäinen is missing, and on 10 December 1993, the court decided to declare him dead, placing his date of death on 1 January 1993.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Diving (Aquatics) | FIN |
Hannes Kärkkäinen | |||
| Platform, Men (Olympic) | 9 |
