| Named By: | Matthew in 1902 |
| Time Period: | Late Miocene-Pleistocene |
| Location: | USA, Kansas - Ogallala Formation, Nebraska |
| Size: | About 30 centimetres long |
| Diet: | Herbivore |
| Fossil(s): | Multiple individuals are known |
| Classification: | | Chordata | Mammalia | Rodentia | Mylagaulidae | Mylagaulinae | |
| Also known as: | | Epigaulus | |
Horned gophers are extinct rodents from the genus Ceratogaulus, a member of the extinct fossorial rodent family Mylagaulidae. Ceratogaulus is the only known rodent genus with horns, and is the smallest known horned mammal. Ceratogaulus lived from the late Miocene to the early Pleistocene epoch.