Hyolyn
- Birthday: 12/11/1990
- Place of birth: Incheon, South Korea
- Fame for: Acting
- Also known as: 김효정, Hyolyn, Kim Hyo Jung, 효린, Hyorin, 孝琳
- Social networks: Instagram , X (Twitter) , Facebook
Biography
Hyolyn (효린), born Kim Hyo-jung (김효정) is a South Korean singer of the girl group Sistar.