Ahn Gyu-back (Korean: 안규백; Hanja: 安圭伯; born 29 April 1961) is a South Korean politician in the liberal Minjoo Party of Korea. He has been a member of the National Assembly for Dongdaemun, Seoul, since 2012, and previously served as a party list member from 2008 to 2012. Born in Gochang County in North Jeolla, Ahn attended high school in Gwangju, and studied Eastern philosophy at Sungkyunkwan University as an undergraduate before earning a master's degree at the university's Department of Commerce and Trade.