| Youn Hyun-jung | |
| Birth Date: | 14 March 1979 |
| Nationality: | South Korean |
| Sport: | Taekwondo |
Youn Hyun-jung (born 14 March 1979) is a South Korean taekwondo practitioner.
She won a gold medal in heavyweight at the 2003 World Taekwondo Championships in Garmisch-Partenkirchen, by defeating Chen Zhong in the semifinal, and Nataša Vezmar in the final. She won a silver medal at the 2002 Asian Games, after being defeated by Wang I-hsien in the final.[1]