| Named By: | Scott D. Sampson, Mark A. Loewen, Andrew A. Farke, Eric M. Roberts, Catherine A. Forster, Joshua A. Smith, & Alan L. Titus in 2010 |
| Time Period: | Late Cretaceous, 75 Ma |
| Location: | Canada, Alberta - Dinosaur Park Formation |
| Size: | Up to 6 meters long |
| Diet: | Herbivore |
| Fossil(s): | Skull and post cranial remains |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Ceratopsia | Ceratopsidae | Chasmosaurinae | |
| Also known as: | | Chasmosaurus irvinensis | |
Vagaceratops (meaning "wandering (vagus, Latin) horned face", in reference to its close relationship with Kosmoceratops from Utah) is a genus of herbivorous ceratopsian dinosaur. It is a chasmosaurine ceratopsian which lived during the Late Cretaceous period (late Campanian) in what is now Alberta. Its fossils have been recovered from the Upper Dinosaur Park Formation.