| Named By: | Richard Owen in 1881 |
| Time Period: | Late Permian |
| Location: | South Africa, Karoo Basin |
| Size: | Total body length 70 centimetres long, skull 13 centimetres long |
| Diet: | Carnivore |
| Fossil(s): | Remains of several individuals |
| Classification: | | Chordata | Therapsida | Theriodontia | Gorgonopsia | |
| Also known as: | | Aelurosauroides | Galerhinus | |
Aelurosaurus ("cat lizard", from Ancient Greek ailouros "cat" and sauros "lizard") is an extinct genus of gorgonopsian therapsid from the Late Permian of South Africa. It was first named by Owen in 1881, and contains four species, A. felinus, A. polyodon, A. whaitsi, and A. wilmanae.
It had a very small size, reaching only 0.70 m (2.3 ft) in length with a 13 cm skull.