Suh Yun-bok (9 January 1923 – 27 June 2017) was a South Korean athlete. He was best known as the winner of the 1947 Boston Marathon. He won the race with a world best time of 2:25:39 under the coach Sohn Kee-chung, the Korean winner of the marathon at the 1936 Berlin Olympics. He was born in Seoul. 