Park Ah-in is a South Korean actress. She is an alumna of Chung-Ang University, Department of Theater and Film, where she earned a bachelor's degree in Theater Studies. She made her acting debut in 2006 in the horror film Forbidden Floor and since then has appeared in a number of films and television series, including Loner, A Gentleman's Dignity, Descendants of the Sun, Vagabond, Never Twice and Kkondae Intern.