| Yoon Sung-Hyo 윤성효 | |
| Fullname: | Yoon Sung-Hyo |
| Birth Date: | 18 May 1962 |
| Birth Place: | Gimhae, Gyeongnam, South Korea |
| Currentclub: | Gimhae FC (manager) |
| Position: | Defender |
| Youthyears1: | 1981–1984 |
| Youthclubs1: | Yonsei University |
| Years1: | 1985–1986 |
| Years2: | 1987–1993 |
| Years3: | 1994–1995 |
| Years4: | 1996–1998 |
| Years5: | 2000 |
| Clubs4: | Suwon Samsung Bluewings |
| Clubs5: | Suwon Samsung Bluewings |
| Caps1: | 20 |
| Caps2: | 162 |
| Caps3: | 47 |
| Caps4: | 79 |
| Caps5: | 3 |
| Goals1: | 5 |
| Goals2: | 6 |
| Goals3: | 2 |
| Goals4: | 10 |
| Goals5: | 0 |
| Totalcaps: | 311 |
| Totalgoals: | 23 |
| Manageryears1: | 1999 |
| Manageryears2: | 2000–2003 |
| Manageryears3: | 2004–2010 |
| Manageryears4: | 2010–2012 |
| Manageryears5: | 2013–2015 |
| Manageryears6: | 2017– |
| Managerclubs1: | Suwon Samsung Bluewings (youth) |
| Managerclubs2: | Suwon Samsung Bluewings (assistant) |
| Managerclubs4: | Suwon Samsung Bluewings |
| Managerclubs5: | Busan IPark |
| Managerclubs6: | Gimhae FC |
Yoon Sung-Hyo (born 18 May 1962) is a South Korean football manager and former player. He is currently manager of Gimhae FC.