Oh Beom-Seok (; born 29 July 1984) is a South Korean former professional footballer who played as a right back and currently Analysis coach for Yongin FC.
He played at the 2003 FIFA World Youth Championship in the United Arab Emirates and played in all matches as South Korea advanced to the round of 16. He also played for South Korea at the 2007 AFC Asian Cup. He was a defender during the 2010 FIFA World Cup (#2).
In 2008, he signed for Russian side Krylia Sovetov, becoming teammates with Choe Myong-Ho of North Korea. Oh left Krylia Sovetov in August 2009 after the club did not pay his salary regularly. Known for his rough style of play, he is nicknamed "The King of Fouls".
He has a sister who was a former 2003 Miss Korea runner-up, Oh Yu-mi.