| Named By: | X. Xu, Z.inH. Zhang, P. C. Sereno, X.inJ. Zhao, X.inW. Kuang, J. Han & L. Tan in 2002 |
| Time Period: | Late Cretaceous, c 85 ma. |
| Location: | Mongolia - Iren Dabasu Formation |
| Size: | Holotype estimated about 2.5 meters long, but this is a subadult, and fully grown adults would have been larger |
| Diet: | Herbivore |
| Fossil(s): | Partial post cranial remains including limbs, pelvis and vertebrae |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Therizinosauroidea | |
Erliansaurus is a genus of therizinosauroid theropod dinosaur from the Late Cretaceous of China.