Kim Seon-yu
- Born
- 20 March 2008 (18 years)
- Place of birth
- Ponam-dong, Gangneung, Gangwon-do, South Korea
- Gender
- Female
Kim Seonyou (김선유) is a South Korean rapper and singer under M25. She participated on the survival shows CAP-TEEN and My Teenage Girl, where on the finale, she ranked 2nd overall, making her a member of CLASS:y.
