Doona Bae (Hangul: 배두나; Korean pronunciation: [pɛduna]; born October 11, 1979) is a South Korean actress and photographer. She became known outside Korea for her roles as a political activist in Park Chan-wook's Sympathy for Mr. Vengeance (2002), archer Park Nam-joo in Bong Joon-ho's The Host (2006), and as an inflatable sex doll-come-to-life in Hirokazu Koreeda's Air Doll (2009). She has had English-speaking roles in the Wachowski films Cloud Atlas (2012) and Jupiter Ascending (2015), and their TV series Sense8 (2015–2018). Her latest work is on a Netflix period zombie thriller Kingdom (2019-present).
She is also known as Bae Doo-na, Bae Du-na, Bae Duna and 배두나.