| Named By: | Philip D. Mannion & Alejandro Otero in 2012 |
| Time Period: | Late Cretaceous, 96.5-89.3 Ma |
| Location: | Argentina, Chubut Province - Bajo Barreal Formation |
| Size: | Uncertain but possibly as much as 18 meters long (refer to main text) |
| Diet: | Herbivore |
| Fossil(s): | Partial post cranial skeleton |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Sauropodomorpha | Sauropoda | Titanosauria | Lithostrotia | |
Elaltitan is an extinct genus of large lithostrotian titanosaur sauropod known from the Late Cretaceous (mid Cenomanian to Turonian stage) of Chubut Province, southern Argentina. It contains a single species, Elaltitan lilloi.