| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Niels Alfred•Olsen |
| Used name | Niels•Olsen |
| Born | 28 December 1948 in Hylleholt, Faxe, Sjælland (DEN) |
| Measurements | 155 cm / 46 kg |
| Affiliations | RK Viking, Faxe Ladeplads (DEN) |
| NOC |  Denmark |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Rowing | DEN |
Niels Olsen | |||
| Coxed Pairs, Men (Olympic) | Denmark | 4 h1 r2/3 |
