Park Jieun (born November 4, 1983) is a South Korean professional Go player of 9-dan rank. In 2008, she became the third female go player in history to achieve 9-dan rank, following Rui Naiwei and Feng Yun.

Career

Park became a professional Go player in 1997. She studied Go under Kim Dong-yeop. In 2008, she won an international women's title in the Sino-Ocean Cup, a tournament held one time only. She defeated Rui Naiwei in the finals to win the championship. Under the Korea Baduk Association's rules, she was promoted to 9 dan for the victory, becoming the first Korean female 9 dan professional. She won the Bingsheng Cup in 2010, and again in 2011. In 2017, she became the first Korean female professional Go player to reach 1000 career games played.