Rudy Hartono Kurniawan (Chinese: 梁海量; pinyin: Liang Hailiang), born August 18, 1949) is a former Indonesian badminton star who won the men's singles title at the prestigious All-England Championship eight times, seven times consecutively (1968–1974) in the 1960s and 1970s, and at World Championship in 1980 on his only attempt at this title. He is one of the most famous players in the history of the sport and is considered to be one of the greatest badminton players of all time. His sister is also a former world-level badminton player, Utami Dewi Kinard.
During his prime years Hartono won men's singles in most of the international tournaments that he entered. He also played on six consecutive Indonesian Thomas Cup (men's international) teams between 1967 and 1982, the first of these when he was only seventeen, helping Indonesia to win four consecutive world team championships (1970, 1973, 1976, 1979) in what was then a triennial event. His game was characterized by great power, accuracy, agility, mobility, aggressiveness, and coolness under pressure. In 1997 he was among the first group of players inducted into the World Badminton Hall of Fame.