Oliver Lake (born September 14, 1942) is an American jazz saxophonist, flutist, composer and poet. He is known mainly for alto saxophone but he also performs on soprano and flute. 　　During the 1960s Lake worked with the Black Artists Group in St. Louis. In 1977 he founded the World Saxophone Quartet with David Murray, Julius Hemphill, and Hamiet Bluiett. He has worked in the group Trio 3 with Reggie Workman and Andrew Cyrille. He is the father of drummer Gene Lake. 　　Lake has been a resident of Montclair, New Jersey.