Black terrapin may refer to:
Seychelles black terrapin (Pelusios seychellensis), a recently extinct pelomedusid turtle that was once endemic to Seychelles. Black river turtle (Rhinoclemmys funerea), a geoemydid turtle found in Central America. Black marsh turtle (Siebenrockiella crassicollis), a geoemydid turtle found in Southeast Asia.
See also Pelusios Black mud turtle (disambiguation)