Woolim (우림) is a South Korean singer under Coridel Entertainment and OD Entertainment. She is the leader of the girl group Playback and a member of the project girl group The Pink Lady.
Woolim trained in JYP Entertainment for 3 years, beginning in 2011. She got 1st place in the official audition.
She debuted as a member of Playback on June 25, 2015 with the group's first digital single "Playback".
In 2017, Woolim, along with her fellow member Hayoung, became a contestant on JTBC's new survival show MIXNINE. She was eliminated in episode 7 after ranking 60th place.
On February 20, 2019, she debuted in the project girl group The Pink Lady under OD Entertainment, with their first digital single "God Girl".