| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Carl Joel•Jahn | |
| Used name | Joel•Jahn | |
| Born | 10 January 1934 in Helsinki, Uusimaa |  FIN |
| Died | 3 June 1995 (aged 61 years 4 months 24 days) in Ljungby, Kronoberg |  SWE |
| Affiliations | Helsingfors Segelsällskap — Helsinki, Uusimaa | FIN |
| NOC | Finland | FIN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Sailing | FIN |
Joel Jahn | |||
| Three-Person Keelboat, Open (Olympic) | Xantippa | 14 |
