| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Haakon Riofe•Endreson | |
| Used name | Haakon•Endreson | |
| Born | 16 February 1891 in Vestre Aker, Oslo |  NOR |
| Died | 18 March 1970 (aged 79 years 1 month 2 days) in Bærum, Viken | NOR |
| Affiliations | Oslo Turnforening — Oslo, Oslo | NOR |
| NOC | Norway | NOR |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Artistic Gymnastics (Gymnastics) | NOR |
Haakon Endreson | |||
| Team, Men (Olympic) | Norway | 2 | Silver |
