| Named By: | Eaton in 1922 |
| Time Period: | Late Eocene-Late Oligocene |
| Location: | USA, Oregon - John Day Formation |
| Size: | Unavailable |
| Diet: | Carnivore |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Mammalia | Carnivora | Nimravidae | |
Dinaelurus is a genus of the Nimravidae, an extinct family of feliform mammalian carnivores, also known as "false saber-toothed cats". Assigned to subfamily Nimravinae, Dinaelurus was endemic to North America during the Eocene-Oligocene epochs (30.8--20.6 mya), existing for approximately 10.2 million years.