Jung Chae-yeon
- Birthday: 1997-12-01
- Place of birth: Suncheon, South Jeolla, South Korea
- Also know as: Chaeyeon
Jung Chae-yeon is a South Korean idol and actress. She is the visual of girl group DIA under MBK Entertainment. She was ranked 7th out of 101 contestants on Mnet's survival show Produce 101 and was chosen through it to be a part of the nation's girl group I.O.I.
