Yoon Yeo-San (; born 9 July 1982) is a South Korean footballer who currently plays as a defender.
Club career
Yoon began his professional career with Incheon United, joining the club as a foundation squad member when it entered the K-League in 2004. However, in a two-year spell with the club, he made only a single appearance, in a 2005 FA Cup match.
Yoon then moved to Daegu FC. Initially, he did not play a significant on-field role, although over time he has become a regular starter, playing 26 games in total for the 2009 season. In November 2009, he moved to Sangju Sangmu while he completed his two-year military obligations.
In July 2011, he related 2011 South Korean football betting scandal.