| Named By: | Robert Broom in 1903 |
| Time Period: | Middle Permian, 265-260 Ma |
| Location: | South Africa |
| Size: | Skull about 23 centimetres long. Total body length about 120 centimetres long |
| Diet: | Carnivore |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Synapsida | Therapsida | Therocephalia | Lycosuchidae | |
Lycosuchus ("wolf crocodile") is an extinct carnivorous genus of therocephalian which lived in the Middle Permian 265--260 Ma existing for approximately 5 million years. It was a medium-sized predator, reaching 1.2 m (3.8 ft) in length with a skull 23 cm long.
Discovered in South Africa, it was named by paleontologist Robert Broom in 1903 and later assigned by him to Therocephalia.