Geophis dubius

{{Short description|Species of snake}}

{{Speciesbox

| image =

| status = LC

| status_system = IUCN3.1

| status_ref=Canseco-Márquez, L. & Flores-Villela, O. (2007). [https://www.iucnredlist.org/species/63793/12710109 Geophis dubius]. In: IUCN 2007. IUCN Red List of Threatened Species. Version 2022.2.

| genus = Geophis

| species = dubius

| authority = (Peters, 1861)

}}

Geophis dubius, also known as the Mesa del Sur earth snake, is a snake of the colubrid family. It is endemic to Mexico.{{cite web |title=Geophis dubius DUNN, 1920 |url=https://reptile-database.reptarium.cz/species?genus=Geophis&species=dubius&search_param=%28%28search%3D%27Geophis%27%29%29 |publisher=Reptile Database |accessdate=23 January 2019}} This species is endemic to the state of Oaxaca in Mexico. It is found between 2,100 and 2,650 m of altitude.