Atractus lehmanni (Boettger, 1898), Lehmann’s Ground Snake, (Serpentes, Colubridae, Dipsadinae), was described by Boettger (1898) from Cuenca, Ecuador. We examined records of snakes labeled as A. lehmanni to determine if they fit the original description of this species. The results of our record examinations, in conjunction with long-term field surveys and a review of Friedrich Carl Lehmann’s travel logs, indicate that A. lehmanni occurs in the Cordilleras Central and Occidental of Colombia. Conversely, this species is apparently absent from Ecuador, where records of this species are in error or based on misidentifications.