| Named By: | F. Escaso, F. Ortega, P. Dantas, E. Malafaia, B. Silva, J. M. Gasulla, P. Mocho, I. Narvaeza & J. L. Sanz in 2014 |
| Time Period: | Late Jurassic, 152 Ma |
| Location: | Portugal - Alcobaca Formation |
| Size: | Roughly about 1.6 meters long |
| Diet: | Herbivore |
| Fossil(s): | Partial post cranial remains |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Ornithopoda | Dryosauroidea | Dryosauridae | |
Eousdryosaurus ("eastern Dryosaurus") is a genus of basal iguanodontian dinosaur known from a partial skeleton discovered in Upper Jurassic rocks in western Portugal.