| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Esko Oiva•Marttinen | |
| Used name | Esko•Marttinen | |
| Born | 15 January 1938 in Kajaani, Kainuu |  FIN |
| Measurements | 170 cm / 70 kg | |
| NOC | Finland | FIN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Winter Olympics | Biathlon | FIN |
Esko Marttinen | |||
| Individual, Men (Olympic) | 23 |
