| Named By: | Alexander K. Hastings, Jonathan Bloch & Carlos A. Jaramillo in 2011 |
| Time Period: | Mid-Late Paleocene (Peligran-Itaboraian)~60-58 Ma |
| Location: | Colombia - Cerrejon Formation |
| Size: | Skull between 72 to 86 centimetres long. Body estimated to have been between 4.66 and 6.46 meters long |
| Diet: | Carnivore |
| Fossil(s): | Fragmentary skull and post cranial remains. Partial teeth also known |
| Classification: | | Chordata | Reptilia | Crocodylomorpha | Dyrosauridae | |
Acherontisuchus is an extinct genus of dyrosaurid neosuchian from Middle to Late Paleocene deposits of Colombia. The only known species is A. guajiraensis, whose name means "Acheron crocodile of the Guajira Peninsula".