Jong-Gyu Yoon, a 28-year-old South Korean defender, plays for Ulsan HD. He previously featured for FC Seoul, Gyeongnam FC and Gimcheon Sangmu, and was a senior international for South Korea.
| Surname | Yoon |
| Name | Jong-Gyu |
| Native Name | 윤종규 |
| Nationality | South Korea |
| Birthplace | Yeongdeok, South Korea |
| Birth Date | 20 March 1998 |
| Age | 28 years old |
| Position | Defender |
| Height | 1.75 m |
| Weight | 65 kg |
| AKA | Yoon Jong-Gyu |
Ulsan HD (2025–)
FC Seoul
Gimcheon Sangmu
FC Seoul
Gyeongnam FC
FC Seoul
South Korea National Team
South Korea Olympic Team
South Korea Youth Teams