Go Na-eun (born Kang Se-jung; January 15, 1982) is a South Korean actress. She made her entertainment debut as a singer for the K-pop girl group Papaya in 2000; the group released 2 albums before disbanding in 2001. Go began acting full-time in 2004, and has appeared in television series such as Assorted Gems (2009) and Heartless City (2013).