Anolis olssoni, also known commonly as the desert grass anole, the Monte Cristi anole, and Olsson's anole, is a species of lizard in the family Dactyloidae. The species is endemic to the island of Hispaniola. There are eight recognized subspecies.
The specific name, olssoni, is in honor of American paleontologist .
Anoli olssoni is found in the Dominican Republic and Haiti.
Anolis olssoni is found in a wide variety of natural habitats, including desert, grassland, shrubland, and forest, at elevations from sea level to , and also in disturbed habitats such as rural gardens.
Anolis olssoni is terrestrial.
Anolis olssoni is omnivorous, preying upon arthropods, and eating plant material.
Eight subspecies are recognized as being valid, including the nominotypical subspecies.