|Date of birth||29 December 1911|
|Place of birth||Lillestrøm, Norway|
|Date of death||23 August 1988(aged 76)|
|Place of death||Lillestrøm, Norway|
|* Senior club appearances and goals counted for the domestic league only|
|Olympic medal record|
|1936 Berlin||Team Competition|
At the 1936 Summer Olympics he was a member of the Norwegian team, which won the bronze medal in the football tournament. He also took part in the 1938 FIFA World Cup, but did not play a single match.
- Alf Martinsen at the Norwegian Football Federation (in Norwegian)
- "Alf Martinsen at databaseOlympics.com". Archived from the original on 2007-02-13. Retrieved 2008-02-16.
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