| Named By: | Bernardo Gonzalez Riga & Leonardo Ortiz David in 2014 |
| Time Period: | Late Cretaceous, Turonian |
| Location: | Argentina, Mendoza Province - Cerro Lisandro Formation |
| Size: | Unavailable |
| Diet: | Herbivore |
| Fossil(s): | Partial post cranial skeleton, mainly composed of various vertebrae, and a partial forelimb |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Sauropodomorpha | Sauropoda | Titanosauria | |
Quetecsaurus is an extinct genus of titanosaur sauropod dinosaur known from the Late Cretaceous of southern Mendoza Province of western Argentina. It contains a single species, Quetecsaurus rusconii.