| Named By: | Joseph Leidy in 1871 |
| Time Period: | Eocene-Early Oligocene |
| Location: | USA, Mongolia and Egypt |
| Size: | Around 1 meter long |
| Diet: | Carnivore |
| Fossil(s): | Remains of multiple individuals |
| Classification: | | Chordata | Mammalia | Creodonta | Hyaenodontidae | |
| Also known as: | | Proviverra pungens | Proviverra grangeri | Sinopa grangeri | Sinopa minor | Sinopa pungens | Stypolophus aculeatus | Stypolophus pungens | Triacodon aculeatus | Triacodon fallax | |
Sinopa is an extinct genus of hyaeanodontid that lived during the Eocene to Early Oligocene in United States and Egypt.
Sinopa was a small hyaenodontid. Its carnassial teeth were the second upper molar and the lower third. Sinopa had an estimated weight of 1.3 to 1.4 kilograms. The type specimen was found in the Bridger formation in Uinta County, Wyoming, and existed 50.3 to 46.2 million years ago.