| Named By: | Barsbold & Perle & 1984 |
| Time Period: | Early Cretaceous, 130 Ma |
| Location: | Mongolia - Khuren Dhuk Formation |
| Size: | 2 meters long |
| Diet: | Possibly omnivorous |
| Fossil(s): | Complete but crushed skull, partial skeleton |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Ornithomimosauria | |
Harpymimus is a basal ornithomimosaurian theropod dinosaur from the Early Cretaceous Period of what is now Mongolia. Unlike later, more derived ornithomimosaurs, Harpymimus still possessed teeth, although they appear to have been restricted to the dentary of the lower jaw.