| Named By: | F. E. Novas, L. Salgado, M. Suarez, F. L. Agnolin, M. D. Ezcurra, N. R. Chimento, R. Cruz, M. P. Isasi, A. O. Vargas & D. RubilarinRogers in 2015 |
| Time Period: | Late Jurassic145 Ma |
| Location: | Chile - Toqui Formation |
| Size: | Up to about 3.2 meters long |
| Diet: | Herbivore |
| Fossil(s): | Partial remains of at least five individuals representing various ages from juvenile to adult |
| Classification: | | Chordata | Reptilia | Dinosauria | Theropoda | Neotheropoda | Tetanurae | |
Chilesaurus is an extinct genus of herbivorous dinosaur. The type and only species is Chilesaurus diegosuarezi. Chilesaurus lived about 145 million years ago (Mya) in the Late Jurassic period of Chile.