| Named By: | Sergei Kurzanov in 1992 |
| Time Period: | Late Cretaceous, Campanian |
| Location: | Mongolia, Omnogovi Province - Djadokhta Formation, Dornogovi Province - Barun Goyot Formation |
| Size: | Skull 60 centimetres long. Body unknown but estimated to be about 4 meters long |
| Diet: | Herbivore |
| Fossil(s): | Holotype is an almost complete skull |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Ceratopsia | Leptoceratopsidae | |
Udanoceratops (meaning "Udan-Sayr horn face") is an extinct genus of leptoceratopsid ceratopsian dinosaur. It lived during the Late Cretaceous Period in the Campanian faunal stage. Its fossils were found in Mongolia.