Kim Jong-hyun (April 8, 1990 <unk> December 18, 2017), wanda aka fi sani da suna Jonghyun, ya kasance dan wasan Koriya ta Kudu, mawallafin mawallafi, mai rikodin rikodi, mai watsa shirye-shiryen rediyo, kuma marubuci a ƙarƙashin lakabin SM Entertainment.
Kim Jong-hyun