| 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 (SUI) |
| NOC |  Switzerland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1936 Summer Olympics | Water Polo (Aquatics) | SUI |
Jean Gysel | |||
| Water Polo, Men (Olympic) | Switzerland | =9 |
