| Named By: | J. F. Bonaparte, M. B. Soares & C. L. Schultz in 2006 |
| Time Period: | Middle Triassic |
| Location: | Brazil - Santa Maria Formation |
| Size: | Preserved skull length 44 millimetres |
| Diet: | Carnivore |
| Fossil(s): | Partial skull |
| Classification: | | Chordata | Synapsida | Therapsida | Cynodontia | Brasilodontidae | |
Protheriodon is an extinct genus of cynodont which existed in Brazil during the middle Triassic period. It contains the species Protheriodon estudianti.