| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Lennart Vilhelm•Hannelius | |
| Used name | Lennart•Hannelius | |
| Born | 8 November 1893 in Hanko, Uusimaa |  FIN |
| Died | 4 May 1950 (aged 56 years 5 months 26 days) in Stockholm, Stockholm |  SWE |
| NOC | Finland | FIN |
| Medals | OG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1924 Summer Olympics | Shooting | FIN |
Lennart Hannelius | |||
| Rapid-Fire Pistol, Men (Olympic) | 3 | Bronze |
