Kim Young-sun (Korean: 김영선; born on 5 March 1971) is a South Korean actress. She made her acting debut in 2005 in films, since then, she has appeared in number of plays, films and television series. She got recognition for her supporting roles in Boys Over Flowers (2009), Shine or Go Crazy (2015), and Twenty-Five Twenty-One (2022). She has acted in films such as: The Piper (2015), A Man and a Woman (2016) and Psychokinesis (2018) among others.