| Named By: | R. M. Dawley, J. M. Zawiskie & J. W. Cosgriff in 1979 | 
| Time Period: | Middle - Late Triassic, 238-230 Ma | 
| Location: | USA, Wyoming - Popo Agie Formation | 
| Size: | Skull estimated at about 65 centimetres long. Total length estimated at about 4.9-5.2 meters long | 
| Diet: | Carnivore | 
| Fossil(s): | Partial skull and post cranial remains of about 50% of the animal. In total fossil remains of at least four individuals are known | 
| Classification: | | Chordata | Reptilia | Rauisuchia | Paracrocodylomorpha | Loricata | | 
Heptasuchus is an extinct genus of loricatan pseudosuchian known from the Middle or Late Triassic upper Chugwater Group of Wyoming, United States. It contains a single species, Heptasuchus clarki, the first formally recognized "rauisuchian" or loricatan pseudosuchian from North America.