Moon Sua
- Born
- 9 September 1999 (27 years)
- Place of birth
- Cheongju, South Korea
- Gender
- Female
Moon Su-a is a South Korean rapper, singer, MC and lyricist under MYSTIC STORY. She is a member of the girl group Billlie and its sub-unit Moon Sua X Siyoon. She is also a former contestant on the competition show Unpretty Rapstar 2.
