Cho Hunhyun (born 10 March 1953) is a Korean 9-dan professional Go player. Considered one of the greatest players of all-time, Cho reached professional level in Korea in 1962. Since then, Cho has amassed 150 professional titles, more than any player in the world. He thrice held all of the open tournaments in Korea in 1980, 1982 and 1986. Cho has also won 11 international titles, third most in the world behind Lee Chang-ho (21) and Lee Sedol (15). He reached 1,000 career wins in 1995.