| Jean Ryff | |
| Fullname: | Jean Rodolphe Ryff |
| Birth Date: | 12 January 1870 |
| Birth Place: | Basilea, Switzerland |
| Death Place: | Porto Alegre, Brazil |
| Manageryears1: | 1929–1929 |
| Managerclubs1: | Internacional |
| Manageryears2: | 1933–1934 |
| Managerclubs2: | Internacional |
Jean Rodolphe Ryff (12 January 1870 - 10 September 1944) was a Swiss football manager and Club Director who worked in Sport Club Internacional.
Internacional
1934