| Named By: | Young in 1948 |
| Time Period: | Early Jurassic, 201-196 Ma |
| Location: | China |
| Size: | About 5.6 meters long |
| Diet: | Carnivore |
| Fossil(s): | Remains of several individuals from partial remains to almost complete |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Dilophosauridae | |
| Also known as: | | Dilophosaurus sinensis | |
Sinosaurus (meaning "Chinese lizard") was a tetanuran theropod dinosaur which lived during the Early Jurassic Period. Its fossils were found in the Lufeng Formation, in Yunnan Province, China. It was a bipedal carnivore. It was approximately 5.6 metres (18 feet) long.