Leiocephalus greenwayi, commonly known as the East Plana curlytail and the Plana Cay curlytail lizard, is a species of lizard in the family of curly-tailed lizards (Leiocephalidae). The species is native to the West Indies.
The specific name, greenwayi, is in honor of American ornithologist James Cowan Greenway.
L. greenwayi is endemic to the Bahama Islands and has an extremely restricted range as it is only found on the Eastern island of the Plana Cays.
The preferred natural habitat of L. greenwayi is shrubland.
L. greenwayi is oviparous.
This species of curly-tailed lizard, L. greenwayi, is not listed by the IUCN or CITES as needing any special conservation, however, research is needed to determine its vulnerability due to its restricted range.