Yerin Baek (Korean: 예린), also known as Baek Yerin, is a South Korean singer and songwriter under Blue Vinyl Entertainment. She was first known for appearing in the show "Star King" where she was nicknamed as a 'ballad genius'. Following her appearance in the variety show, Yerin became a JYP Entertainment trainee and debuted as a member of the duo 15&.
Following her departure from JYP Entertainment in 2019, Yerin launched her independent label "Blue Vinyl" and has since been releasing music as a solo artist. She created the co-ed rock band, the Volunteers in 2018, and has been actively promoting since the creation of the group.