Moonbyul
- Birthday: 12/22/1992
- Place of birth: Bucheon, Gyeonggi, South Korea
- Fame for: Acting
- Also known as: 문별, 문별이, Moon Byul-yi, 마마무, Mamamoo, Moon Byul, 玟星, 文星伊
- Social networks: Instagram
Biography
Moonbyul, born Moon Byul-yi (문별이), is a South Korean rapper, singer, songwriter, dancer, and radio host. She is the main rapper of the South Korean girl group Mamamoo. In May 2018, Moonbyul made her debut as a solo artist, releasing the digital single "Selfish."