|Named By:||P. M. Galton in 2009|
|Time Period:||Early Cretaceous, approximately 115 Ma|
|Location:||Niger - Elrhaz Formation|
|Size:||Femur 13.1 centimetres long|
|Fossil(s):||Femur (upper leg/thigh bone). Humerus (upper arm bone) has also been assigned to the genus|
|Classification:||| Chordata | Reptilia | Dinosuria | Ornithischia | Ornithopoda | Iguanodontia | Dryosauroidea | Dryosauridae ||
|Also known as:||| Valdosaurus nigeriensis ||
Elrhazosaurus is a genus of basal iguanodontian dinosaur, known from isolated bones found in Lower Cretaceous rocks of Niger. These bones were initially thought to belong to a species of the related dryosaurid Valdosaurus, but have since been reclassified.