| Named By: | R. Lydekker in 1877 |
| Time Period: | Late Cretaceous, 70 Ma |
| Location: | Lameta Formation |
| Size: | Uncertain, but original remains first described for the genus seems seem to have come from an individual titanosaur about 9-12 meters long |
| Diet: | Herbivore |
| Fossil(s): | Original material consists of vertebrae and partial limbs |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Sauropoda | Titanosauria | |
Titanosaurus (meaning 'titanic lizard' - named after the mythological 'Titans', deities of Ancient Greece) is a dubious genus of sauropod dinosaurs, first described by Lydekker in 1877. It is known from the Maastrichtian (Upper Cretaceous) Lameta Formation of India.