| Named By: | D. Pol, O. W. M. Rauhut & M. Becerra in 2011 |
| Time Period: | Middle Jurassic, 171-167 Ma |
| Location: | Argentina - Canadon Asfalto Formation |
| Size: | Roughly about 60-75 centimetres long |
| Diet: | Omnivore |
| Fossil(s): | Skull and partial post cranial skeleton |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Heterodontosauridae | Heterodontosaurinae | |
Manidens is a genus of heterodontosaurid dinosaur from the Middle Jurassic of Patagonia. Fossils have been found from the Canadon Asfalto Formation in Chubut Province, Argentina, dating to the Bajocian.