Icuk Sugiarto (born October 4, 1962 in Surakarta, Central Java) is a former Indonesian badminton player who rated among the world's best singles players during the 1980s.
Largely a speed and power player, Sugiarto won the gold medal at the 1983 IBF World Championships, upsetting fellow countryman Liem Swie King in the final, and the bronze medal at the 1987 and 1989 IBF World Championships. He captured singles titles at the Indonesia (1982, 1986, 1988), Malaysia (1984), Thailand (1984, 1985), French (1988), and Hong Kong (1988) Opens; at the Badminton World Cup (1985, 1986); and at the Southeast Asian Games (three consecutive times) in 1985, 1987, and 1989. At nineteen, he shared the 1982 Asian Games men's doubles title with doubles maestro Christian Hadinata. Sugiarto was a member of Indonesia's world champion Thomas Cup (men's international) team of 1984.
Icuk is well known for his rally game, with accurate lobs and dropshots that unsettling and quite exhausting for his opponents, relying on his over average fitness and defense.
He's married Nina Yaroh in 1983 and they have three children, Natassia Octaviani (1984), Tommy (1988), and Jauza (1999). Tommy and Jauza are also badminton players, while Jauza is still in junior, Tommy now is an elite men's singles player.