| Named By: | J. Lu, L. Xu, X. Jiang, S. Jia, M. Li, C. Yuan, X. Zhang & Q. Ji in 2009 |
| Time Period: | Early Cretaceous, Aptian-Albian |
| Location: | China - Mangchuan Formation |
| Size: | Unavailable |
| Diet: | Herbivore |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Sauropoda | Titanosauria | |
Xianshanosaurus is a genus of sauropod dinosaur from the Early Cretaceous (Aptian-Albian) of the Ruyang Basin in Henan Province, China. It was described in 2009 by a team of Chinese paleontologists. The type species is X. shijiagouensis.