Qianjiangsaurus
| Qianjiangsaurus Temporal range:  | |
|---|---|
| Life restoration | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Ornithopoda | 
| Clade: | †Hadrosauriformes | 
| Superfamily: | †Hadrosauroidea | 
| Genus: | †Qianjiangsaurus Dai et al., 2025 | 
| Species: | †Q. changshengi | 
| Binomial name | |
| †Qianjiangsaurus changshengi Dai et al., 2025 | |
Qianjiangsaurus (meaning "Qianjiang lizard") is an extinct genus of hadrosauroidean ornithopod dinosaurs from the Late Cretaceous Zhengyang Formation of China. The genus contains a single species, Q. changshengi, known from a partial skeleton. Qianjiangsaurus is one of the few hadrosauroids named from south China, and it indicates important fauna connections between similarly aged formations in Mongolia.