| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Nils Erik•Hellsten |
| Used name | Nils•Hellsten |
| Born | 19 February 1886 in Stockholm, Stockholm (SWE) |
| Died | 12 April 1962 in Stockholm, Stockholm (SWE) |
| Affiliations | Stockholms GF, Täby (SWE) / FFF, Stockholm (SWE) |
| NOC | Sweden |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Fencing | SWE |
Nils Hellsten | |||
| Foil, Individual, Men (Olympic) | 7 p3 r1/3 | |||||
| Épée, Individual, Men (Olympic) | =8 p2 r3/4 | |||||
| Épée, Team, Men (Olympic) | Sweden | 11 | ||||
| 1924 Summer Olympics | Fencing | SWE |
Nils Hellsten | |||
| Épée, Individual, Men (Olympic) | 3 | Bronze | ||||
| Épée, Team, Men (Olympic) | Sweden | 3 p3 r1/4 | ||||
| 1928 Summer Olympics | Fencing | SWE |
Nils Hellsten | |||
| Épée, Individual, Men (Olympic) | 5 | |||||
| Épée, Team, Men (Olympic) | Sweden | 3 p4 r1/4 |