| Lee Yoon-Sub | |
| Fullname: | Lee Yoon-Sub |
| Birth Date: | 30 July 1979 |
| Birth Place: | Chungcheongbuk-do, South Korea |
| Position: | Defender Defensive midfielder |
| Years1: | 2002–2008 |
| Clubs1: | Ulsan Hyundai |
| Years2: | 2006–2007 |
| Clubs2: | → Gwangju Sangmu (army) |
| Years3: | 2010 |
| Clubs3: | Qingdao Jonoon |
| Years4: | 2011 |
| Clubs4: | Shenyang Dongjin |
| Years5: | 2012 |
| Clubs5: | Daejeon KHNP |
| Years6: | 2012 |
| Clubs6: | Ulsan Hyundai Mipo |
| Caps1: | 12 |
| Goals1: | 0 |
| Caps2: | 20 |
| Goals2: | 1 |
| Caps3: | 18 |
| Goals3: | 1 |
| Caps4: | 8 |
| Goals4: | 0 |
| Caps5: | 3 |
| Goals5: | 0 |
| Caps6: | 6 |
| Goals6: | 0 |
| Pcupdate: | 26 July 2012 |
| Hangul: | 이윤섭 |
| Hanja: | 李允燮 |
| Rr: | I Yun-sub |
| Mr: | Yi Yun-sup |
Lee Yoon-Sub (; born 30 July 1979) is a South Korean football player.