Tumatai Dauphin (born 12 January 1988) is a French Polynesian shot-putter who has represented French Polynesia at the Pacific Games and Pacific Mini Games, and France at the Jeux de la Francophonie. Dauphin has been competing with the shot put since the age of 15. He moved to France in 2006 to pursue his athletics career. After a serious ankle injury ended his Olympic aspirations, he returned to French Polynesia to recover and become a coach. He currently coaches Loveleina Wong-Sang.