| Named By: | Xu et al in 2000 |
| Time Period: | Early Cretaceous, 130 Ma |
| Location: | China, Liaoning Province - Yixian Formation |
| Size: | Estimated 1.4-1.5 meters long |
| Diet: | unavailable |
| Fossil(s): | Several specimens of post cranial skeletons, some skulls |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Cerapoda | Ornithopoda | |
Jeholosaurus is a genus of ornithischian dinosaur from the Early Cretaceous Period. It is thought to have been a herbivorous small ornithopod, probably a basal member of the Euornithopoda.