| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Leon•Wiśniewski | |
| Used name | Leon•Wiśniewski | |
| Born | 29 March 1937 in Gniezno, Wielkopolskie |  POL |
| Died | 27 April 1985 (aged 48 years 29 days) in Gniezno, Wielkopolskie | POL |
| Measurements | 178 cm / 76 kg | |
| Affiliations | Stella Gniezno — Gniezno, Wielkopolskie | POL |
| NOC | Poland | POL |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Hockey | POL |
Leon Wiśniewski | |||
| Hockey, Men (Olympic) | Poland | 12 |
