| Named By: | A. P. Hunt & S. G. Lucas in 1993 |
| Time Period: | Late Triassic 221-201.6 Ma |
| Location: | USA, New Mexico - Chinle Formation, Redonda Formation, Travesser Formation. Utah - Wingate Sandstone Formation |
| Size: | Largest known skull 80 centimetres long, total body size approximately up to about 6.4 meters long |
| Diet: | Carnivore |
| Fossil(s): | Fossil remains of several individuals |
| Classification: | | Chordata | Reptilia | Phytosauria | Phytosauridae | Leptosuchomorpha | Pseudopalatinae | |
Redondasaurus (pron: "ruh-don-duh-SORE-us" or "Re-don-dah-sore-us")is an extinct genus of phytosaur from the Late Triassic (230-200 million years ago) of the southwestern United States. It was named by Hunt & Lucas in 1993, and contains two species, R. gregorii and R. bermani. It is the youngest and most evolutionarily-advanced of the phytosaurs.