Woollen is a surname. Notable people with the surname include:

Evans Woollen (1864–1942), American lawyer, banker, presidential candidate and college football coach Evans Woollen III (1927–2016), American architect, grandson of the above Mark Woollen (), American director and editor of movie trailers Russell Woollen (1923–1994), American keyboard artist and composer Thomas W. Woollen (1830–1898), American lawyer, judge, politician and Indiana Attorney General

See also Riq Woolen (born 1999), American National League Football player