The Hispaniolan masked curly-tailed lizard (Leiocephalus personatus) is a lizard species from the family of curly-tailed lizard (Leiocephalidae). It is also known as the Haitian curlytail lizard and the green-legged curly-tail. The species is sexually dimorphic, with the males being considerably larger, and having red markings on the head around the lower jaw. Females are much smaller, and are brown in colour, with lighter stripes running down the flanks. The species is endemic to Hispaniola.