Alto Velo curlytail lizard
Leiocephalus altavelensis
- Critically endangered
- Card rarity: Legendary
- Reptiles

Leiocephalus altavelensis, also known as the Alto Velo curlytail lizard, is a species of lizard belonging to the family Leiocephalidae. It is endemic to Isla Alto Velo, an island located off the southern coast of the Dominican Republic. The species was first described by George K. Noble and William G. Hassler in 1933.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Leiocephalidae
- Genus
- Leiocephalus