| Named By: | K. Tsogtbaatar, D. B. Weishampel, D. C. Evans & M. Watabe in 2014 |
| Time Period: | Late Cretaceous, 80-75 Ma |
| Location: | Mongolia - Djadokhta Formation |
| Size: | Unavailable |
| Diet: | Herbivore |
| Fossil(s): | Skull and partial post cranial skeleton |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Ornithopoda | Iguanodontia | Hadrosauroidea | Hadrosauridae | |
Plesiohadros is an extinct genus of hadrosauroid dinosaur. It is known from a partial skeleton including the skull collected at Alag Teg locality, from the Campanian Djadochta Formation of southern Mongolia. The type species is Plesiohadros djadokhtaensis.