| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Lukas Fredrik Christian•Nielsen | 
| Used name | Lukas•Nielsen | 
| Born | 23 December 1884 in Malmö, Skåne (SWE) | 
| Died | 29 April 1964 in København (Copenhagen), Hovedstaden (DEN) | 
| Affiliations | KSG, København (DEN) | 
| NOC |   Denmark | 
| Medals | OG | 
| Gold | 0 | 
| Silver | 0 | 
| Bronze | 1 | 
| Total | 1 | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Artistic Gymnastics (Gymnastics) |  DEN | 
Lukas Nielsen | |||
| Team All-Around, Men (Olympic) | Denmark | 4 | ||||
| 1912 Summer Olympics | Artistic Gymnastics (Gymnastics) |  DEN | 
Lukas Nielsen | |||
| Team All-Around, Free System, Men (Olympic) | Denmark | 3 | Bronze |