Blewitt is a surname of Anglo-Norman origin first attested in England during the 11th century. Notable people with the surname include:
Brett Blewitt (born 1976), Australian actor Charles Blewitt (1877–1937), English cricketer Chris Blewitt (born 1995), American football player Darren Blewitt (b. 1985), English footballer Edward Francis Blewitt (1859–1926), Pennsylvania State Senator Joe Blewitt (1895–1954), English athlete Jonathan Blewitt (1782–1853), English organist and composer Marnie Blewitt, Geneticist Simon Blewitt (b. 1959, AKA Sam Blue), English rock singer
See also Blewit, two species of edible mushrooms Blewitt Springs, Adelaide, Australia Blewett, a surname Bluet (disambiguation) Bluett, a surname Hinton Blewitt, a village and civil parish in Somerset, England Bluiett, a surname