|Full Name||Kim Dong Hyun|
|Country of Birth||Korea|
|Date of Birth||Sep 17, 1998|
|Age||23 years old|
|Height||1.80 m (5'11")|
|Weight||63 kg (138 lbs)|
Kim Dong Hyun, better known as Donghyun, is a South Korean singer and member of the Kpop boy group AB6IX formed by Brand New Music.
Donghyun was born in Daejeon, South Korea. He has three other siblings – a fraternal twin brother, an older brother and older sister. In 2017, he became a participant on Mnet’s survival show Produce 101, season 2 with bandmates Daehwi, Woojin, and former member Youngmin.; his final rank was 28. Donghyun was a trainee for 1.5 years before his participation on Produce 101.
On September of that same year, Donghyun and Youngmin debuted as a duo called MXM. Donghyun made his debut with AB6IX on January 2020.