| Kim Gwang-seok | |
| Birth Date: | 12 February 1983 |
| Birth Place: | South Korea |
| Currentclub: | Incheon United |
| Clubnumber: | 3 |
| Position: | Defender |
| Youthyears1: | 1998–2000 |
| Youthclubs1: | Cheongpyeong High School |
| Youthyears2: | 2001–2002 |
| Youthclubs2: | Uiduk University |
| Years1: | 2003–2020 |
| Clubs1: | Pohang Steelers |
| Caps1: | 364 |
| Goals1: | 9 |
| Years2: | 2005–2006 |
| Clubs2: | → Gwangju Sangmu (military service) |
| Caps2: | 22 |
| Goals2: | 1 |
| Years3: | 2021- |
| Caps3: | 41 |
| Goals3: | 1 |
| Pcupdate: | 20 September 2022 |
| Hangul: | 김광석 |
| Hanja: | 金光奭 |
| Mr: | Kim Kwangsŏk |
| Rr: | Gim Gwangseok |
Kim Gwang-seok (ko|김광석; born 12 February 1983) is a South Korea football player.
Pohang Steelers
| Club performance | League | Cup | League Cup | Continental | Total | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| South Korea | League | KFA Cup | League Cup | Asia | Total | ||||||||
| 2003 | Pohang Steelers | K League 1 | 9 | 0 | 1 | 0 | colspan="2" | - | colspan="2" | - | 10 | 0 | |
| 2004 | 0 | 0 | 0 | 0 | 0 | 0 | colspan="2" | - | 0 | 0 | |||
| 2005 | Gwangju Sangmu | 10 | 1 | 1 | 0 | 0 | 0 | colspan="2" | - | 11 | 1 | ||
| 2006 | 12 | 0 | 0 | 0 | 2 | 0 | colspan="2" | - | 14 | 0 | |||
| 2007 | Pohang Steelers | 12 | 0 | 5 | 2 | 5 | 0 | colspan="2" | - | 22 | 2 | ||
| 2008 | 20 | 1 | 1 | 0 | 1 | 0 | 5 | 0 | 27 | 1 | |||
| 2009 | 17 | 0 | 0 | 0 | 4 | 0 | 9 | 0 | 29 | 0 | |||
| 2010 | 12 | 0 | 1 | 0 | 0 | 0 | 7 | 0 | 20 | 0 | |||
| 2011 | 31 | 0 | 4 | 0 | 3 | 0 | colspan="2" | - | 38 | 0 | |||
| Career total | 123 | 2 | 14 | 2 | 13 | 0 | 21 | 0 | 171 | 4 | |||