Yoo Yeon-jung (I.O.I - 아이오아이)
유연정
D.O.B: Aug 03, 1999
Yoo Yeon-jung (Hangul: 유연정; Hanja: 兪璉靜), better known by the mononym Yeonjung, is a South Korean singer. She is best known for being a member of the South Korean girl group Cosmic Girls, and for finishing 11th in the survival show Produce 101, making her a member of I.O.I.
