Joel W. Martin (born 1955) is an American marine biologist and invertebrate zoologist who is currently Chief of the Division of Invertebrate Studies and Curator of Crustacea at the Natural History Museum of Los Angeles County (NHMLAC). His main area of research is the morphology and systematics of marine decapod crustaceans (crabs, shrimps, lobsters and their relatives).Martin received a doctorate from the Florida State University in 1986.