Choi Kyung-Ju (born May 19, 1970) is a South Korean professional golfer. He is known as K. J. Choi in many countries. He is the most internationally successful Asian male golfer of all time, though he has not achieved the same level of success as several of his South Korean female compatriots such as LPGA hall of fame player Se Ri Pak and Grace Park have in women's golf.