Luis Doreste Blanco (born March 7, 1961 in Las Palmas de Gran Canaria, Las Palmas) is a Spanish sailor who won gold medal both in the 1984 Summer Olympics (470 class), and in the 1992 Summer Olympics in Barcelona (Flying Dutchman).
A member of Real Club Náutico de Gran Canaria, Doreste became World Champion in 1985 (Flying Dutchman), and again in 1995 (Soling). He is three times European Champion, from 1976 (Optimist), 1985 (470) and 1988 (Flying Dutchman). He is a four-time Olympian.
Doreste took the Athlete's Oath at Barcelona in 1992. He is the father of Manuel Doreste, and a brother of Gustavo Doreste and José Doreste.
He skippered Desafío Español 2007 at the 2007 Louis Vuitton Cup.