| Named By: | F. broili in 1904 |
| Time Period: | Early Permian, 280 Ma |
| Location: | USA, Texas - Arroyo Formation |
| Size: | Skull about 14 centimetres long, total body length somewhere between 1 and 1.5 meters |
| Diet: | Carnivore |
| Fossil(s): | Partial remains including the skull |
| Classification: | | Chordata | Synapsida | Pelycosauria | Varanopidae | Varanodontinae | |
| Also known as: | | Poecilospondylus francisi | Varanosaurus wichitaensis | |
Varanosaurus ('monitor lizard') is an extinct genus of early pelycosaur synapsid that lived during the Kungurian.