Stenocercus dumerilii is a species of lizard in the family Tropiduridae.

The specific name, dumerilii, is in honor of French herpetologist André Marie Constant Duméril.

[3] S. dumerilii is found in northeastern Brazil, in the Brazilian states of Maranhão, northeastern Pará, and Tocantins.

[2] The preferred natural habitat of S. dumerilii is forest.

[1] S. dumerilii preys upon a wide variety of arthropods.