Tienshanosaurus
| Tienshanosaurus Temporal range: Late Jurassic,  | |
|---|---|
| Holotype scapula, Paleozoological Museum of China | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | Saurischia | 
| Clade: | †Sauropodomorpha | 
| Clade: | †Sauropoda | 
| Family: | †Mamenchisauridae | 
| Genus: | †Tienshanosaurus Yang, 1937 | 
| Species: | †T. chitaiensis | 
| Binomial name | |
| †Tienshanosaurus chitaiensis Yang, 1937 | |
Tienshanosaurus (meaning "Tienshan lizard") is an extinct genus of dinosaur from the Late Jurassic. It was a sauropod which lived in what is now China. Only one species is known, Tienshanosaurus chitaiensis, which was named and described in 1937.