This is a list of amphibians and reptiles found on the island-nation of Saint Lucia, located in the Caribbean Lesser Antilles.
There are three species of amphibian on Saint Lucia, two of which were introduced.
Including marine turtles and introduced species, there are 20 reptile species reported on Saint Lucia, five of which are endemic and two extinct.
Note: All species listed above are supported by Malhotra & Thorpe 1999, unless otherwise cited.