| Yoo Changhyuk | |
|---|---|
 | |
| Full name | Yoo Changhyuk |
| Hangul | 유창혁 |
| Hanja | 劉昌赫 |
| Revised Romanization | Yu Changhyeok |
| Born | April 25, 1966 , South Korea |
| Residence | South Korea |
| Turned pro | 1984 |
| Rank | 9 dan |
| Affiliation | Hanguk Kiwon |
Yoo Changhyuk (born April 25, 1966) is a professional Go player in South Korea.