Lee Da In is a South Korean actress. Lee is the daughter of the actors Kyeon Mi Ri and Im Young Gyu. Her parents divorced in 1993. When her mother remarried in 1998 their stepfather, businessman Lee Hong Heon legally adopted her and her older sister, Lee Yoo Bi who is also an actress. They have a half-brother named Lee Ki Baek.
Lee is a descendant of the Hwanggan Kyeon clan through her maternal side, which makes her a descendant of Gyeon Hwon, who was the first king of the Hubaekje kingdom, during the Later Three Kingdoms of Korea.
Through the actress’ agency, it was confirmed on May 24, 2021 that she is dating Lee Seung Gi.