| Named By: | Robert Bakker, Peter Galton, James Siegwarth & James Filla in 1990 |
| Time Period: | Late Jurassic |
| Location: | USA, Wyoming - Morrison Formation |
| Size: | About 2 meters long |
| Diet: | Herbivore |
| Fossil(s): | Holotype is a partial post cranial skeleton of a subadult, though many more individuals have now been assigned to the genus |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Hypsilophodontidae | |
Drinker (named after the palaentologist Edward Drinker Cope) was a genus of hypsilophodont dinosaur from the late Jurassic period of North America. Although based on good remains, it remains obscure due to a lack of post-naming publications.