| Named By: | J. M. Clark & H.inD. Sues in 2002 |
| Time Period: | Early Jurassic |
| Location: | USA, Arizona - Kayenta Formation |
| Size: | Unavailable |
| Diet: | Carnivore |
| Fossil(s): | Skull and partial postcranial skeletal remains |
| Classification: | | Chordata | Reptilia | Crocodylomorpha | Sphenosuchidae | |
Kayentasuchus (meaning "Kayenta Formation crocodile") is a genus of sphenosuchian, a type of basal crocodylomorph, the clade that comprises the crocodilians and their closest kin. It is known from a single skeleton found in rocks of the Sinemurian-Pliensbachian-age Lower Jurassic Kayenta Formation, northeastern Arizona.