Chae Ri-na (; born Bak Hyeon-ju (Park Hyun-Joo), ; February 3, 1978) is a South Korean singer. She debuted in 1995 as a member of the best-selling co-ed vocal group Roo'ra. She was also a member of the girl group Diva, which debuted in 1997, and the duo Girl Friends, which debuted in 2006.
Chae married professional baseball player Park Yong-geun in 2016.