Kim Chae Hyun is a former SM Ent. trainee and a contestant on Mnet's idol program Girls Planet 999. She is currently under WAKEONE Entertainment.
- Known For: Acting
- Birthday: 2002-04-26
- Place of Birth: 釜山，韩国
- Also Known As: 김채현, Chae Hyun Kim, Kim Chae Hyeon, Kim Chaehyun