| Named By: | Albert PrietoinMarquez, Jonathan R. Wagner, Phil R. Bell & Luis M. Chiappe in 2014 |
| Time Period: | Late Cretaceous, 70 Ma |
| Location: | USA, California - Moreno Formation |
| Size: | Reconstructed skull length roughly 106 centimetres long |
| Diet: | Herbivore |
| Fossil(s): | Fragmentary skull and postcranial fossils |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Hadrosauridae | Saurolophinae | |
| Also known as: | | Saurolophus morrisi | |
Augustynolophus is an extinct genus of herbivorous saurolophine hadrosaur dinosaur which was discovered in the Moreno Formation in California, dating to the late Maastrichtian age, making it one of the last dinosaurs known from the fossil record for the Cretaceous-Tertiary (K-T) extinction.