Son Eun-seo (; born June 26, 1985), born Son Ji-yeon, , is a South Korean actress.
Son has been in a relationship with Jang Won-seok, CEO of BA Entertainment since the end of 2022. On October 4, 2023, Son's agency announced the couple would be getting married in November. The couple married in a private ceremony in Hawaii on November 3, 2023.