| Seo Dong-Won 서동원 | |
| Fullname: | Seo Dong-Won |
| Birth Date: | August 14, 1975 |
| Birth Place: | Seoul, South Korea |
| Position: | Midfielder |
| Youthyears1: | 1994–1997 |
| Youthclubs1: | Yonsei University |
| Years1: | 1998–2000 |
| Years2: | 2001 |
| Years3: | 2001–2002 |
| Years4: | 2003–2004 |
| Years5: | 2005–2006 |
| Years6: | 2006–2007 |
| Years7: | 2008–2010 |
| Clubs4: | Gwangju Sangmu Bulsajo (Army) |
| Clubs7: | Busan I'Park |
| Caps1: | 55 |
| Goals1: | 7 |
| Caps2: | 2 |
| Goals2: | 0 |
| Caps3: | 18 |
| Goals3: | 1 |
| Caps4: | 41 |
| Goals4: | 0 |
| Caps5: | 32 |
| Goals5: | 4 |
| Caps6: | 15 |
| Goals6: | 0 |
| Caps7: | 36 |
| Goals7: | 0 |
| Nationalyears1: | 1998–2001 |
| Nationalteam1: | South Korea |
| Nationalcaps1: | 8 |
| Nationalgoals1: | 1 |
| Hangul: | 서동원 |
| Hanja: | 徐東源 |
| Rr: | Seo Dong-won |
| Mr: | Sŏ Tong-wŏn |
Seo Dong-Won (born August 14, 1975) is a South Korean former football player. He played for Daejeon Citizen, Suwon Samsung Bluewings, Jeonbuk Hyundai Motors, Gwangju Sangmu Bulsajo (army), Incheon United, Seongnam Ilhwa Chunma).and Busan I'Park.
| 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 | ||||||||
| 1998 | Daejeon Citizen | K-League | 15 | 1 | ? | ? | 14 | 0 | — | ||||
| 1999 | 19 | 2 | ? | ? | 9 | 1 | — | ||||||
| 2000 | 21 | 4 | ? | ? | 7 | 0 | — | ||||||
| 2001 | Suwon Samsung Bluewings | 2 | 0 | ? | ? | 8 | 0 | ? | ? | ||||
| 2001 | Jeonbuk Hyundai Motors | 15 | 1 | ? | ? | 0 | 0 | ? | ? | ||||
| 2002 | 3 | 0 | ? | ? | 4 | 0 | ? | ? | |||||
| 2003 | Gwangju Sangmu Bulsajo | 19 | 0 | 2 | 0 | — | — | 21 | 0 | ||||
| 2004 | 22 | 0 | 0 | 0 | 7 | 1 | — | 29 | 1 | ||||
| 2005 | Incheon United | 25 | 4 | 0 | 0 | 5 | 1 | — | 30 | 5 | |||
| 2006 | 7 | 0 | 1 | 0 | 1 | 0 | — | 9 | 0 | ||||
| 2006 | Seongnam Ilhwa Chunma | 9 | 0 | 0 | 0 | 4 | 0 | — | 13 | 0 | |||
| 2007 | 6 | 0 | 0 | 0 | 1 | 0 | ? | ? | |||||
| 2008 | Busan I'Park | 12 | 0 | 0 | 0 | 6 | 1 | — | 18 | 1 | |||
| 2009 | 19 | 0 | 2 | 0 | 8 | 0 | — | 29 | 0 | ||||
| 2010 | 5 | 0 | 0 | 0 | 0 | 0 | — | 5 | 0 | ||||
| Total | South Korea | 199 | 14 | 74 | 4 | ||||||||
| Career total | 199 | 14 | 74 | 4 | |||||||||
Results list South Korea's goal tally first.