Geophis pyburni, also known as Pyburn's earth snake, is a species of snake in the colubrid family. It is endemic to Mexico. It is only known from its type locality, Rancho La Pastilla in the Sierra de Coalcoman, Michoacan.
The specific name, pyburni, is in honor of American herpetologist (1927–2007).
Geophis pyburni measure NaNcm (-2,147,483,648inches) in total length. Tail makes 13–16 % of the total length. The dorsum is dark brown, becoming lighter laterally.