Ryoken Kawagishi (Japanese: 川岸良兼, born 6 December 1966) is a Japanese professional golfer. Kawagishi was born in Ishikawa Prefecture. As an amateur, he won two events in the United States in 1989, the Eastern Amateur and the Monroe Invitational. Kawagishi joined the Japan Golf Tour in 1990, winning six times in his career. He was the rookie of the year in 1990, winning three times. He won again in 1991, 1995 and 1999.