Park Chul-soon (Hangul: 박철순, Hanja: 朴哲淳; also spelled Cheol Sun Park, Bak Cheol-sun) (born March 12, 1956 in Busan, South Korea) is a former South Korean pitcher in the Korean professional baseball league who played for the OB Bears. Park batted and threw right-handed. He was also the second South Korean player to sign with a Major League team and play in the minor leagues after Lee Won-Kuk.
Park attended Daeseong High School in Daejeon and Baemyung High School in Seoul. After high school Park went on to pitch for Yonsei University.
Park Chul-Soon's number 21 was retired by the Doosan Bears