Woodin is a surname. Notable people with the surname include:
Melanie Woodin, Canadian neuroscientist and academic administrator Mike Woodin (1965–2004), UK politician Sarah Woodin, American biologist W. Hugh Woodin (born 1955), US mathematician William B. Woodin (1824–1893), New York politician William Hartman Woodin (1868–1934), US Secretary of Treasury
See also Woodin cardinal