Kim Da-hyun
- Born
- 28 May 1998 (28 years)
- Place of birth
- Seongnam, Gyeonggi, South Korea
- Gender
- Female
Kim Da-hyun, known mononymously as Dahyun, is a South Korean singer, rapper, and actress under JYP Entertainment. She is a member of the girl group TWICE, formed through the reality television show Sixteen (2015). Dahyun made her acting debut in 2025 with the film You Are the Apple of My Eye, where she received several Best New Actress awards. She later appeared in the independent film Run to You (2025) and in the television series Love Me (2025–2026).
