Hewitson is an English surname of Norman origin. The name Hewitson, comes from the patronym of the given name Hewitt, meaning "son of Hewitt". In Norse custom, patronyms were formed by using the ending -son (later -søn and -sen in Danish, Norwegian and German) to the genitive form of the father's name to indicate "son of".
Notable people with the surname include:
Bob Hewitson (1884–1957), professional footballerBobby Hewitson (1892–1969), the first curator of the Hockey Hall of Fame in Toronto, Ontario, CanadaIain Hewitson (born 1948), New Zealand-born chef who moved to Australia in 1972James Hewitson VC (1892–1963), English recipient of the Victoria CrossLaura Hewitson, British-born primate researcher noted for her work in the fields of reproductive biology and behaviourMark Hewitson (1897–1973), British trade union official and Labour Party politicianWilliam Chapman Hewitson (1806–1878), British naturalist from Newcastle upon Tyne