| Kim Seon-il | |
| Birth Date: | 11 June 1985 |
| Birth Place: | Gochang, North Jeolla |
| Position: | Midfielder |
| Youthyears1: | 2008 |
| Youthclubs1: | Dongguk University |
| Years1: | 2009–2010 |
| Years2: | 2011–2012 |
| Caps2: | 1 |
| Goals2: | 0 |
| Hangul: | 김선일 |
| Hanja: | 金善壹 |
| Rr: | Gim Seonil |
| Mr: | Kim Sŏnil |
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[1] after having played with Suwon Samsung Bluewings in the K-League and winning the 2010 Korean FA Cup with them.[2]
Kim Seon-il played with Dongguk University in 2008[3] before moving to Bluewings at the end of the year.[4]
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.[2]
He is a former member of the South Korea national under-20 football team.