Cerrophidion tzotzilorum is a venomous pit viper species which is native to southern Mexico.

[4] The specific name, tzotzilorum (Latin genitive plural), is in honor of the Tzotzil people.

Adults probably do not exceed 50 cm (19.5 in) in total length (including tail).

[3] C. tzotzilorum is found in the Meseta Central of Chiapas, Mexico.

The type locality given is "10.9 km Jiji ESE San Cristobal de Las Casas, Chiapas, Mexico, elevation 2,320 m [7,610 ft]".