| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Hans Jakob•Nielsen | |
| Used name | Hans•Nielsen | |
| Born | 2 September 1899 in Næstved, Sjælland |  DEN |
| Died | 6 February 1967 (aged 67 years 5 months 4 days) in Aalborg, Nordjylland | DEN |
| Affiliations | AK Jyden — Aalborg, Nordjylland | DEN |
| NOC | Denmark | DEN |
| Medals | OG |
| Gold | 1 |
| Silver | 0 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Boxing | DEN |
Hans Nielsen | |||
| Featherweight, Men (Olympic) | =9 | |||||
| 1924 Summer Olympics | Boxing | DEN |
Hans Nielsen | |||
| Lightweight, Men (Olympic) | 1 | Gold | ||||
| 1928 Summer Olympics | Boxing | DEN |
Hans Nielsen | |||
| Lightweight, Men (Olympic) | 4 |
