|Named By:||Daniel Chure, Brooks Britt, John A. Whitlock & Jeffrey A. Wilson in 2010|
|Time Period:||Early Cretaceous, 104.5 Ma|
|Location:||USA, Utah - Cedar Mountain Formation, Mussentuchit Member|
|Size:||Uncertain due to lack of remains, refer to summary for more detail|
|Fossil(s):||Skulls and partial post cranial remains of several juvenile individuals. Holotype (DINO 16488) is of a complete skull and lower jaws with the first four cervical (neck) vertebrae|
|Classification:||| Chordata | Reptilia | Dinosauria | Saurischia | Sauropodomorpha | Sauropoda | Titanosauriformes | Brachiosauridae ||
Abydosaurus (meaning "Abydos lizard") is a genus of brachiosaurid sauropod dinosaur known from skull and postcranial material found in upper Lower Cretaceous rocks of northeastern Utah, United States.