Atractus lasallei, also known commonly as Lasalle's ground snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to Colombia.
The specific name, lasallei, refers to the Instituto de La Salle, Bogotá, Colombia.
A. lasallei is found in northwestern Colombia, in Antioquia Department.
The preferred natural habitat of A. lasallei is forest, at altitudes of .
A. lasallei is oviparous.