Griswold's ameiva (Ameiva griswoldi) is a species of lizard in the genus Ameiva. It is endemic to Antigua and Barbuda, where it is found on both islands. It is also known as the Antiguan ameiva or the Antiguan ground lizard. It is common on Barbuda, and more common on the offshore islands of Antigua than on that main island. Populations on Barbuda are dark brown with irregular, cream-colored splotches. Its flanks are pale blue-green and tan, with black spots and markings. Its ventral surface is gray with black on its chest.