Juan José Rithner was a Argentine goalkeeper known for playing at Porteño. He earned caps for Argentina and died in 1950.
| Surname | Rithner |
| Name | Juan José |
| Nationality | Argentina |
| Birthplace | Baradero, Argentina |
| Birth Date | 3 November 1889 |
| Death Date | 1 January 1950 (60 years old) |
| Position | Goalkeeper |
Porteño
Argentina National Team