| Named By: | Eusmilus in 1876 |
| Time Period: | Late Eocene to Early Oligocene, 37.2-28.4 Ma |
| Location: | Eurasia and North America |
| Size: | Up to 2.5 meters long |
| Diet: | Carnivore |
| Fossil(s): | Multiple specimens |
| Classification: | | Chordata | Mammalia | Carnivora | Nimravidae | Hoplophoninae | |
| Also known as: | | Ekgmoiteptecela olsontau | Eusmilus belli | Hoplophoneus belli | Hoplophoneus cerebralis | Hoplophoneus sicarius | Machaerodus cerebralis | |
Eusmilus ('true sabre') is a prehistoric genus of nimravid that lived in Europe during the Late Eocene to Early Oligocene epochs (37.2--28.4 mya).