The Hispaniolan masked curly-tailed lizard is a lizard species from the family of curly-tailed lizard (Leiocephalidae). It is also known as the Hispaniolan masked curlytail, Haitian curlytail lizard and the green-legged curly-tail. endemic to the Caribbean island of Hispaniola.

Leiocephalidae, also known as the curlytail lizards or curly-tailed lizards, is a family of iguanian lizards restricted to the West Indies. One of the defining features of these lizards is that their tail often curls over. They were previously regarded as members of the subfamily Leiocephalinae within the family Tropiduridae. There are presently 30 known species, all in the genus Leiocephalus.