Snake Island may refer to:
Places Australia Snake Island (New South Wales), in the Hawkesbury River Snake Island (Tasmania) Snake Island (Victoria)
Brazil Ilha da Queimada Grande, nicknamed Snake Island, located off the southeastern corner of Brazil Ilha das Cobras, off the coast of Rio de Janeiro
Canada Snake Island (Nanaimo) Snake Island (Lake Simcoe) Snake Island, one of the Toronto Islands in Lake Ontario Snake Island Lake, a lake in Ontario
Nigeria Snake Island (Lagos)
Ukraine Snake Island (Ukraine), in the Black Sea
United States Snake Island (Massachusetts) Isla Culebra, Puerto Rico
Elsewhere St. Thomas Island, also known as Snake Island, in the Black Sea, Bulgaria Kalampunian Damit Island, Malaysia Golem Grad, also known as Snake Island, North Macedonia Vigan Island, also known as Snake Island, Philippines
Film and television Snake Island (film), a 2002 film Treasure Quest: Snake Island, an American reality television series
See also Serpent Island (disambiguation)