|Named By:||Peter M. Galton in 1980|
|Time Period:||Middle Jurassic, approximately 163 Ma|
|Location:||England, Cambridgeshire - Oxford Clay Formation|
|Size:||Uncertain due to lack of remains, but roughly estimated to have been about 2.5 meters long|
|Fossil(s):||Almost complete left femur (thigh bone). A partial tibia (shin bone) is now also attributed to the genus|
|Classification:||| Chordata | Reptilia | Dinosauria | Ornithischia | Ornithopoda | Dryosauroidea | Dryosauridae ||
|Also known as:||| Camptosaurus leedsi ||
Callovosaurus (meaning "Callovian lizard") is a genus of iguanodontian dinosaur known from most of a left thigh bone discovered in Middle Jurassic-age rocks of England. At times, it has been considered dubious or a valid genus of basal iguanodontian, perhaps a dryosaurid.