| Named By: | Watson in 1914 |
| Time Period: | Capitanian |
| Location: | South Africa - Tapinocephalus Assemblage Zone |
| Size: | Unavailable |
| Diet: | Carnivore |
| Fossil(s): | Partial jaw fragment |
| Classification: | | Chordata | Synapsida | Therapsida | Dinocephalia | Titanosuchia | Anteosauria | |
Lamiasaurus is a genus of therapsid from the Tapinocephalus Assemblage Zone of the Karoo. It is known from an indeterminate jaw fragment that may be either titanosuchid or anteosaurid.