| Named By: | Galbreath in 1953 | 
| Time Period: | Oligocene | 
| Location: | USA, Colorado - Cedar Creek | 
| Size: | Weight estimated around 1.4 kilograms | 
| Diet: | Carnivore | 
| Fossil(s): | Single individual specimen | 
| Classification: | | Chordata | Mammalia | Carniora | Caniformia | Amphicyonidae | | 
Drassonax is an extinct genus of small, weasel-like bear dogs, of the family Amphicyonidae endemic to North America during the Oligocene living from 33.9--33.3 Ma and existed for approximately 0.6 million years.