| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Léon Michel Antoine•Pesch |
| Used name | Léon•Pesch |
| Born | 31 May 1900 in Luxembourg, Luxembourg (LUX) |
| Died | 2 March 1968 (aged 67 years 9 months 2 days) in Luxembourg, Luxembourg (LUX) |
| NOC |  Luxembourg |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Swimming (Aquatics) | LUX |
Léon Pesch | |||
| 100 metres Freestyle, Men (Olympic) | 4 h4 r1/4 |
