Leiocephalus loxogrammus, commonly known as the San Salvador Curly-tailed Lizard, is a lizard species from the family of curly-tailed lizards (Leiocephalidae). It is endemic to the Bahama islands and is only known on San Salvador Island and Rum Cay.
Two sub-species have been described for the two different island populations. L.l.loxogrammus on Rum Cay and L.l.parnelli on San Salvador Island.