| Named By: | Leonardo Salgado, Ismar de Souza Carvalho & Alberto C. Garrido in 2006 |
| Time Period: | Early Cretaceous |
| Location: | Argentina, Neuquen Province - La Amarga Formation |
| Size: | Uncertain |
| Diet: | Herbivore |
| Fossil(s): | Holotype based upon partial post cranial skeleton including ilia, ischium, pubis, 17 caudal vertebrae of the anterior portion of the tail and fragments of the femur and tibia. Remains of a second individual are known |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Sauropodomorpha | Sauropoda | Diplodocoidea | Rebbachisauridae | |
Zapalasaurus is a genus of dinosaur described by Leonardo Salgado, Ismar de Souza Carvalho and Alberto C. It was named after the city of Zapala. The type species, Zapalasaurus bonapartei, was found in Neuquen Province, Argentina. It was a diplodocoid, a long-necked herbivore, and it lived during the Early Cretaceous. The authors conclude from examining the skeleton that "The record of Zapalasaurus bonapartei shows that, at least in the Neuquen Basin, basal diplodocoids were more diverse than previously thought."