Jaak Lipso (born April 18, 1940) is a retired Estonian professional basketball player, who competed for the Soviet Union. He is the only Estonian basketball player who has won two medals at the Olympic Games. Lipso has also won two medals at the FIBA World Championship and he is a three-time Eurobasket champion with the Soviet Union national basketball team. He was a member of the Soviet Union national team from 1961 to 1970. After his active career Lipso became a basketball coach.