Eleutherodactylus grandis (common name: great peeping frog; in Spanish rana-fisgona labios blancos) is a species of frog in the Eleutherodactylidae family. It is endemic to Mexico and only known from near its type locality on the lava fields of Xitle volcano, in the southern part of the Mexico City federal district.Its natural habitat is shrubland. It is threatened by habitat loss caused by spreading of Mexico City. Little suitable habitat remains, and the species is thought to be restricted to the Pedregal Reserve.