| Named By: | Rjabinin in 1938 |
| Time Period: | Capitanian, 265-260 Ma |
| Location: | Tartarstan |
| Size: | 3 meters long, Skull 30 centimetres long |
| Diet: | Herbivore |
| Fossil(s): | Skulls and partial post cranial remains of several individuals |
| Classification: | | Chordata | Synapsida | Therapsida | Dinocephalia | Tapinocephalia | Tapinocephalidae | |
| Also known as: | | Moschops svijagensis | |
Ulemosaurus svijagensis was a dinocephalian synapsid that lived 265 to 260 million years ago, at Isheevo in Russian Tatarstan. It was a tapinocephalid, a group of bulky herbivores which flourished in the Middle Permian. Ulemosaurus and other tapinocephalians disappeared at the end of the Mid-Permian.