Revueltosaurus (re-VWELL-to-SAWR-us) is a poorly-known ornithischian dinosaur that lived during the late Triassic period, about 220 million years ago. Only fossil teeth of this bipedal plant-eater have been found in New Mexico and Arizona, USA.

The type species is R. callenderi. Revueltosaurus was named by K. Padian in 1990; it was named for the Revuelto Creek in New Mexico, USA. This is a dubious genus of dinosuar due to the sparsity of fossils.