| Named By: | P. Taquet & D. A. Russell in 1999 |
| Time Period: | Early Cretaceous, 121-112 Ma |
| Location: | Niger - Elhraz Formation |
| Size: | About 9 meters long |
| Diet: | Herbivore |
| Fossil(s): | Partial post cranial skeleton and skull fragments |
| Classification: | | Chordata | Reptilia | Dinosauria | Ornithischia | Ornithopoda | Styracosterna | Hadrosauriformes | |
Lurdusaurus ('heavy lizard') is a genus of large ornithopod dinosaur that lived in the Aptian stage of the Early Cretaceous, sometime between 121 and 112 million years ago.