Haestasaurus
| Haestasaurus Temporal range: Early Cretaceous,  | |
|---|---|
| Left humerus of the type specimen | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | Saurischia | 
| Clade: | †Sauropodomorpha | 
| Clade: | †Sauropoda | 
| Clade: | †Neosauropoda | 
| Clade: | †Macronaria | 
| Genus: | †Haestasaurus Upchurch, Mannion, & Taylor, 2015 | 
| Species: | †H. becklesii | 
| Binomial name | |
| †Haestasaurus becklesii (Mantell, 1852) | |
Haestasaurus is a genus of herbivorous sauropod dinosaur, belonging to the Macronaria, that during the Early Cretaceous lived in the area of present-day England. The only species is Haestasaurus becklesii.