- For other people known as 'Chaehyun', see Chaehyun.
Kim Chaehyun (Korean: 김채현, Chinese: 金采炫, Japanese: キム・チェヒョン) is a South Korean trainee currently under WAKEONE. She placed first on the reality survival show Girls Planet 999, making her a member of the girl group Kep1er.
Chaehyun became a trainee under SM Entertainment when she was only in her second year of middle school and trained under the label for 6 years until her departure sometime in-between 2019 and 2020.
2021–present: Girls Planet 999, Kep1er
On July 7, Chaehyun was confirmed as an upcoming contestant on Mnet's newest reality show, Girls Planet 999, along with the other participating trainees, through the prologue trailer. Her official profile was released on July 17. The show began airing on August 6 and finished on October 22. During the show's finale, she was revealed to have ranked 1st overall, thus making her a member of Kep1er and the group's center.
- Girls Planet 999 (Mnet, 2021) - contestant
- Her MBTI personality type is ESFP.
- Her hobbies include dancing, exercising, and the guitar.
- Her specialties include vocals, DIY, and speaking Japanese.
- Her motto on Girls Planet 999 is "I am Kim Chae Hyun with looks of a rabbit and charisma of a white tiger".