| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Oscar Bror Emanuel•Hamrén |
| Used name | Oscar•Hamrén |
| Born | 19 September 1891 in Stockholm, Stockholm (SWE) |
| Died | 10 April 1960 (aged 68 years 6 months 21 days) in Seattle, Washington (USA) |
| Affiliations | SoIK Hellas, Nacka (SWE) |
| NOC | Sweden |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Swimming (Aquatics) | SWE |
Oscar Hamrén | |||
| 200 metres Breaststroke, Men (Olympic) | 6 h6 r1/3 |