| Named By: | Halszka Osmolska in 1981 |
| Time Period: | Late Cretaceous, 70 Ma |
| Location: | Mongolia |
| Size: | Unknown due to lack of fossil material |
| Diet: | Omnivore |
| Fossil(s): | Feet, hands |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Oviraptorosauria | Caenagnathoidea | Caenagnathidae | |
| Also known as: | | Chirostenotes rarus | |
Elmisaurus is an extinct genus of dinosaur from the Late Cretaceous. It was a theropod belonging to the Oviraptorosauria. Its fossils have been found in Mongolia. It is known from foot and hand bones.