| Named By: | Rob Gay in 2010 |
| Time Period: | Early Jurassic, 189 Ma |
| Location: | USA, Arizona, Navajo Reservation - Kayenta Formation |
| Size: | Uncertain due to lack of fossils and the fact that the holotype is of a juvenile. Still holotype is estimated to have been around 50 centimetres tall at the hip |
| Diet: | Carnivore |
| Fossil(s): | Partial post cranial remains, including vertebrae, pelvis and parts of the hind limbs |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | |
Kayentavenator (meaning "Kayenta hunter") is a small carnivorous dinosaur genus which lived during the Early Jurassic Period; fossils were recovered from the Kayenta Formation of northeastern Arizona and were described in 2010.