Barbara Watson Andaya (born 7 June 1943) is an Australian historian and author who studies Indonesia and Maritime Southeast Asia. She has also done extensive research on women's history in Southeast Asia, and of late, on the localization of Christianity in the region. She teaches courses in Asian Studies as a full professor at the University of Hawaiʻi at Mānoa, and has served as director of the university's Center for Southeast Asian Studies. She was President of the American Association for Asian Studies from 2005 to 2006.[1][2]