Woo Yerin (Korean: 우예린) born in October 3, 1995, is a South Korean singer-songwriter who became well known by participating in K-Pop Star Season 5. After her appearance in the show she later released a OST for Mrs. Cop 2 in the year of 2016.

While attending in Seoul Music High School in 2013, the song “Strawberry Flavor Metacon”, composed and written by Woo Yerin, was included in the album “Can You Crazy?” released at her school. After her graduation, café concerts and King buses has been a, ‘10Q Project “band singer song while working as a writer in called ’ Dun cent of ‘duo teams with the song "Moonlight” during the 10Q project, a single called “Christmas Together” was released.

She’s been collaborated with dozens of Korean artist, now she’s doing so many songs for K-drama OST’s.