| Named By: | Broili and Schroder in 1935 |
| Time Period: | Unavailable |
| Location: | South Africa |
| Size: | Unavailable |
| Diet: | Herbivore |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Synapsida | Therapsida | Anomodontia | Dicynodont | |
Synostocephalus is an extinct genus of non-mammalian synapsid.