| Jang Hyung-Seok 장형석 | |
| Fullname: | Jang Hyung-Seok |
| Birth Date: | 7 July 1972 |
| Currentclub: | BJFC |
| Position: | Defender |
| Years1: | 1992–1999 |
| Years2: | 1999–2001 |
| Years3: | 2002 |
| Clubs3: | Bucheon SK |
| Caps1: | 78 |
| Goals1: | 6 |
| Caps2: | 7 |
| Goals2: | 0 |
| Caps3: | 10 |
| Goals3: | 0 |
| Totalcaps: | 95 |
| Totalgoals: | 6 |
| Nationalyears1: | 1997–1998 |
| Nationalteam1: | South Korea |
| Nationalcaps1: | 10 |
| Nationalgoals1: | 1 |
| Manageryears1: | 2003–2006 |
| Manageryears2: | 2007– |
| Managerclubs2: | BJFC (Coach) |
Jang Hyung-Seok (born 7 July 1972) is a South Korean football player.
He played for several clubs, including Ulsan Hyundai Horang-i, Anyang LG Cheetahs and Bucheon SK.
He played for the South Korea national football team and was a participant at the 1998 FIFA World Cup.
| 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 | ||||||||
| 1992 | Ulsan Hyundai Horang-i | K-League | 8 | 1 | colspan="2" | - | 4 | 0 | colspan="2" | - | 12 | 1 | |
| 1993 | 1 | 0 | colspan="2" | - | 0 | 0 | colspan="2" | - | 1 | 0 | |||
| 1994 | 0 | 0 | colspan="2" | - | 0 | 0 | colspan="2" | - | 0 | 0 | |||
| 1995 | 3 | 0 | colspan="2" | - | 0 | 0 | colspan="2" | - | 3 | 0 | |||
| 1996 | 26 | 5 | ? | ? | 2 | 0 | ? | ? | |||||
| 1997 | 12 | 0 | ? | ? | 13 | 1 | ? | ? | |||||
| 1998 | 15 | 0 | ? | ? | 3 | 0 | ? | ? | |||||
| 1999 | 13 | 0 | ? | ? | 8 | 1 | colspan="2" | - | |||||
| 1999 | Anyang LG Cheetahs | 7 | 0 | ? | ? | 3 | 0 | ? | ? | ||||
| 2000 | 0 | 0 | ? | ? | 0 | 0 | ? | ? | |||||
| 2001 | 0 | 0 | ? | ? | 0 | 0 | ? | ? | |||||
| 2002 | Bucheon SK | 10 | 0 | ? | ? | 7 | 0 | colspan="2" | - | ||||
| Total | South Korea | 95 | 6 | 40 | 2 | ||||||||
| Career total | 95 | 6 | 40 | 2 | |||||||||
Results list South Korea's goal tally first.