| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Sven Johan Osvald•Martinsen | |
| Used name | Sven•Martinsen | |
| Born | 28 September 1900 in Porvoo, Uusimaa |  FIN |
| Died | 9 September 1968 (aged 67 years 11 months 11 days) in Tune, Sarpsborg, Viken |  NOR |
| Affiliations | Turn- og Idrettslaget National — Sarpsborg, Viken | NOR |
| NOC | Norway | NOR |
Sven Martinsen had the following finishes at major championships – 1929 European Championship: 58.0 kg. Greco-Roman (1st); 1930 European Championship: 61.0 kg. Greco-Roman (2nd); 1933 European Championship: 61.0 kg. Greco-Roman (3rd).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Wrestling | NOR |
Sven Martinsen | |||
| Bantamweight, Greco-Roman, Men (Olympic) | =9 | |||||
| Bantamweight, Freestyle, Men (Olympic) | ||||||
| 1928 Summer Olympics | Wrestling | NOR |
Sven Martinsen | |||
| Bantamweight, Greco-Roman, Men (Olympic) | =9 | |||||
| Bantamweight, Freestyle, Men (Olympic) |
