| Named By: | Matthew in 1906 |
| Time Period: | Eocene |
| Location: | USA, Colorado - DeBeque Formation, Huerfano Formation, Utah - Green River Formation, Wyoming - Willwood Formation |
| Size: | Between 100 and 160 centimetres long |
| Diet: | Carnivore |
| Fossil(s): | Remains of multiple individuals |
| Classification: | | Chordata | Mammalia | Creodonta | Hyaenodontidae | Proviverrinae | |
| Also known as: | | Sinopa hians | Sinopa gracilis | Sinopa whitiae | Stypolophus hians | Stypolophus whitiae | Tritemnodon hians | Tritemnodon whitiae | |
Tritemnodon was a genus of hyaeanodontid which lived 54-38 million years ago. Fossils of this animal have been found in Willwood Formation of Big Horn County and the Lower Bridger Formation of Uinta County, Wyoming. It was the size of a wolf.