Baek Yerin (백예린; born June 26, 1997), mostly known as Yerin Baek, is a South Korean singer-songwriter currently under her own label, People Like People. She is a member of the co-ed alternative rock band The Volunteers (since 2018), and a former member of the duo 15& (2012–2019; under JYP Entertainment). She made her solo debut on November 30, 2015 with her first extended play "FRANK".