Eleutherodactylus casparii is a species of frog in the family Eleutherodactylidae endemic to Sierra de Trinidad, Cienfuegos Province, Cuba. Its natural habitat is mesic forest, but it also occurs in anthropogenic habitats such as plantations and in introduced vegetation. It is threatened by habitat loss. References casparii Amphibians described in 1926 Endemic fauna of Cuba Amphibians of Cuba Taxonomy articles created by Polbot