| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Otto Peder•Olsen |
| Used name | Otto•Olsen |
| Born | 12 December 1894 in Tystrup, Næstved, Sjælland (DEN) |
| Died | 24 October 1989 in Roskilde, Sjælland (DEN) |
| Affiliations | DMI, København (DEN) |
| NOC | Denmark |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Modern Pentathlon | DEN |
Otto Olsen | |||
| Individual, Men (Olympic) | 15 | |||||
| 1928 Summer Olympics | Modern Pentathlon | DEN |
Otto Olsen | |||
| Individual, Men (Olympic) | 14 |