Amblygnathus is a genus of beetles in the family Carabidae, containing the following species:
Amblygnathus bicolor Ball & Maddison, 1987Amblygnathus braziliensis Ball & Maddison, 1987Amblygnathus cephalotes Dejena, 1829Amblygnathus corvinus Dejean, 1829Amblygnathus darlingtoni Ball & Maddison, 1987Amblygnathus evansi Ball & Maddison, 1987Amblygnathus fricki Ball & Maddison, 1987Amblygnathus geminatus Ball & Maddison, 1987Amblygnathus gigas Ball & Maddison, 1987Amblygnathus gilvipes Ball & Maddison, 1987Amblygnathus interior Ball & Maddison, 1987Amblygnathus iripennis Say, 1823Amblygnathus janthinus Dejean, 1829Amblygnathus lucidus Dejean, 1829Amblygnathus mexicanus Bates, 1882Amblygnathus panamensis Ball & Maddison, 1987Amblygnathus puncicollis Putzeys, 1878Amblygnathus reichardti Ball & Maddison, 1987Amblygnathus subtinctus Leconte, 1866Amblygnathus suturalis Putzeys, 1845Amblygnathus tikal Ball & Maddison, 1987Amblygnathus whiteheadi Ball & Maddison, 1987Amblygnathus woodruffi Ball & Maddison, 1987Amblygnathus xingu Ball & Maddison, 1987