| Named By: | B. S. Rubidge & J. W. Kitching in 2003 | 
| Time Period: | Late Permian | 
| Location: | South Africa | 
| Size: | Skull 15 centimetres long. Body roughly estimated at about 1 meter long | 
| Diet: | Carnivore | 
| Fossil(s): | Almost complete skull and lower jaw | 
| Classification: | | Chordata | Synapsida | Therapsida | Biarmosuchia | Burnetiidae | | 
Bullacephalus is an extinct genus of biarmosuchian therapsid belonging to the family Burnetiidae. The type species B. jacksoni was named in 2003. It is known from a relatively complete skull and lower jaw, discovered in the Late Permian Tapinocephalus Assemblage Zone of the Beaufort Group of South Africa.