| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Carl Johan Leonard•Peterson | |
| Used name | Leonard•Peterson | |
| Born | 30 October 1885 in Stockholm, Stockholm |  SWE |
| Died | 15 April 1956 (aged 70 years 5 months 16 days) in Stockholm, Stockholm | SWE |
| Affiliations | Stockholms GF — Täby, Stockholm | SWE |
| NOC | Sweden | SWE |
| Medals | OG |
| Gold | 1 |
| Silver | 0 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Artistic Gymnastics (Gymnastics) | SWE |
Leonard Peterson | |||
| Team, Men (Olympic) | Sweden | 1 | Gold |
