Hewison is a surname. Notable people with the surname include:
Adam Hewison (born 1945), former professional floor trader and authorBob Hewison (1889–1964), English footballer who filled various roles on the left of the pitchChristopher Hewison (born 1979), English cricketerGeorge Hewison (born 1944), folk singer, trade unionist, member of the Communist Party of CanadaKevin Hewison, political scientistRobert Hewison (born 1943), British cultural historian