Ateuchus guatemalensis, is a species of dung beetle belonging to the family Scarabaeidae. It is found in Guatemala, Honduras, Nicaragua, and the Mexican states Chiapas and Oaxaca.
These beetles show slight sexual dimorphism. The male is about 7.9mm in length, with an elongate-oval and convex body, glossy black beetle with reddish to greenish sheen. The female is similar, but has a less convex pygidium and more acute clypeal teeth.