| Named By: | Z. Dong & Z. Tang in 1985 |
| Time Period: | Middle Jurassic, 164 Ma |
| Location: | China, Sichuan Province - Lower Shaximiao Formation |
| Size: | Estimated between 3.5 and 4 meters long |
| Diet: | Carnivore |
| Fossil(s): | Only known from post cranial remains, skull is still unknown |
| Classification: | | Chordata | Reptilia | Dinosauria | Theropoda | Allosauroidea | Sinraptoridae | |
Gasosaurus (Chinese: Qi Long Shu ) is a tetanuran dinosaur discovered in Dashanpu, China. The scientific name, meaning "Gas Lizard", honours the gasoline company that found the Dashanpu fossil quarry in Sichuan Province, now named as the Lower Shaximiao Formation.