CHOI YOOJUNG (최유정) is a South Korean rapper, singer-songwriter, dancer and actress under Fantagio Music.
She first debuted as a member of I.O.I after placing 3rd in the Mnet program ‘PRODUCE 101’.
After the groups disbandment, she was announced as the first member for Fantagio’s new girl group WEKI MEKI.

In August of 2022, Fantagio announced that YOOJUNG would be making her solo debut in September of the same year. On September 14, 2022, YOOJUNG released her first solo mini album, titled ‘Sunflower’.