Dunkin is a surname. Notable people with the surname include:
Christopher Dunkin, PC (1812–1881), Canadian editor, lawyer, teacher, judge, and politician Edwin Dunkin FRS, (1821–1898), British astronomer Kenneth Dunkin, (born 1966), Democratic member of the Illinois House of Representatives Robert Dunkin (1761–1831), mentor of the young Humphry Davy Tony Dunkin (born 1970), American basketball player William Dunkin (1709–1765), Irish poet
See also Duncan (disambiguation) Dunkin (disambiguation)