| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Jean•Gysel (Gisel-) | |
| Used name | Jean•Gysel | |
| Born | 17 December 1910 in Plainpalais, Genève |  SUI |
| Died | 16 January 1986 (aged 75 years 30 days) | |
| Affiliations | Genève Natation 1885 — Genève (Geneva), Genève | SUI |
| NOC | Switzerland | SUI |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Water Polo (Aquatics) | SUI |
Jean Gysel | |||
| Water Polo, Men (Olympic) | Switzerland | =9 |
