Kim Seon-il, sometimes spelled as Kim Sun-il (born 11 June 1985) is a South Korean football defender. Playing as central defender, or left-back, he came to Serbia in summer 2011 after having played with Suwon Samsung Bluewings in the K-League and winning the 2010 Korean FA Cup with them. Kim Seon-il played with Dongguk University in 2008 before moving to Bluewings at the end of the year. He made his league debut with FK Radnički Niš on October 1, 2011, in a Serbian First League round 8 match against FK Donji Srem. He is a former member of the South Korea national under-20 football team.