Kim Dong-hyun
- Born
- 17 September 1998 (27 years)
- Place of birth
- Munhwa-dong, Jung-gu, Daejeon, South Korea
- Gender
- Male
Kim Dong-hyun (Korean: 김동현, born September 17, 1998), known mononymously as Donghyun, is a South Korean singer-songwriter and actor. He is known for his participation in the reality competition show Produce 101 Season 2. He later debuted as a part of the musical duo, MXM. He is a member of South Korean boy group AB6IX.
