Yoo Da-in is a South Korean actress. She is best known for her performance in the indie film Re-encounter, her first leading role. In 2016, she played a supporting role in South Korean television series The Doctors.

Re-encounter is a 2011 South Korean indie film written and directed by Min Yong-keun. Starring Yoo Da-in and Yoo Yeon-seok, it is a coming of age story about two young people who fall in love but lose contact when the girl becomes pregnant and the boy leaves her to go to Canada; they meet again after five years to look for their child, who they believe has been adopted.