Son Seung-Joon (born May 16, 1982) is a South Korean football player who currently plays for Henan Jianye F.C. (formerly Suwon Samsung Bluewings, Gwangju Sangmu and Jeonbuk Hyundai Motors).
Son is a defender who can play as defensive midfielder, central defender and even wingback. His nickname in his youth was "Mr. Fighter" due to his physical fighting and strength. He was one of the members called "The children of Kim Ho", the head coach of U-23 Korea national team of Athene Olympic Team.
In 2001, he entered Suwon Samsung Bluewings as the priority selection from university players, and in 2004, he started his military service in Gwangju Sangmu, which is the special team for talented football players. In 2007, he came back to Suwon Samsung Bluewings, but there was no room because the head coach changed and foreign defenders such as Mato Neretljak already got his position. Following this situation, he transferred to Jeonbuk Hyundai because current Korea National Team head coach Choi Kang-Hee really wanted him. He was the member of K-League Champion in 2009 and 2011 and runner-up of AFC Champions League in 2011. In 2012, he moved to Henan Jianye F.C. in China Super League and played 43 games as defensive midfielder and central defender.
The coaching staff at Jeonbuk Hyundai noted his strong understanding of the game. Because of his height and strength, he was able to win many air ball duel. He also used his technical skills to contribute to the team's attacking play.