| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | John Haakon•Johnsen |
| Used name | John•Johnsen |
| Born | 5 January 1892 in Oslo, Oslo (NOR) |
| Died | 24 August 1984 (aged 92 years 7 months 19 days) in Oslo, Oslo (NOR) |
| Affiliations | Oslo IL, Oslo (NOR) |
| NOC | Norway |
John Johnsen was entered in five individual events at the 1912 Olympics in Stockholm but did not start in the 200 m breaststroke, and was eliminated in three events in the first-round heats. His best result was in the 400 metres freestyle, where he advanced to the semi-final.
Domestically, Johnsen won 32 individual Norwegian championships between 1911-22. He won 22 in freestyle, seven in backstroke, and one each in breaststroke, underwater swimming, and diving. Johnsen also won ten silver and three bronze medals. In the five years 1912-13, 1915-16, and 1918 he was awarded the King’s Cup for the best competitor at the national championships (the championship was not contested in 1914). Johnsen also won a Norwegian water polo championship.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Swimming (Aquatics) | NOR |
John Johnsen | |||
| 100 metres Freestyle, Men (Olympic) | 4 h7 r1/4 | |||||
| 400 metres Freestyle, Men (Olympic) | 6 h1 r2/3 | |||||
| 1,500 metres Freestyle, Men (Olympic) | 3 h5 r1/3 | |||||
| 100 metres Backstroke, Men (Olympic) | 4 h4 r1/3 | |||||
| 200 metres Breaststroke, Men (Olympic) |