• Birthplace: Seoul, South Korea
• Age: 25
• Height: 159
• Weight: 0
• Website: N/A

on Chae-young (채영) was born in Seoul, South Korea on April 23, 1999 (age 19). She is a South Korean singer under JYP Entertainment. She is a member of the girl group TWICE and is the group's main rapper.

Chaeyoung attended a dance academy for about a year when she was a sixth grader. She joined the company after passing the audition on June 6, 2012. Prior to Sixteen, she appeared in the music video of Got7's "Stop Stop It" and miss A's "Only You".