Collett is both an English surname and a given name. Notable people with the name include:
Collett (Norwegian family), including
Axel Collett (1880–1968), Norwegian landowner
Camilla Collett (1813–1895), Norwegian author
James Collett (1655–1727), English-Norwegian merchant; origin of the Norwegian Collett family Johan Collett (1775–1827), Norwegian politician Johan Christian Collett (1817–1895), Norwegian politician, son of Johan Collett Jonas Collett (1772–1851), Norwegian politician Robert Collett (1842–1913), Norwegian zoologist
Other people with Collett as a surname: Andy Collett (born 1973), English retired football goalkeeper Anthony Collett (1877–1929), English author Arthur Henry Collett (1870-1930), an Australian politician who served as the Mayor of Parramatta Ben Collett (born 1984), English footballer Charles Collett (1851–1952), British chief mechanical engineer of the Great Western Railway Charles E. Collett, American lawyer and 1924 Olympic water polo team member Elmer Collett (born 1944), American football player Ernie Collett (disambiguation), several people Gilbert Collett (1879–1945), English rugby union player Glenna Collett-Vare (1903–1989), American golfing champion Sir Henry Collett (1836–1901), army officer in the East India Company and botanist Herbert Collett (1877–1947), Australian politician and soldier Jason Collett, Canadian musician John Collett (artist) (1725–1780), English painter John Collett (composer) (c1735-1775), British violinist and composer John Collett (MP) (1798–1856), Irish Whig politician Joseph Collett (1673–1725), British East India Company administrator, Governor of Bencoolen and President of Madras Laura Collett (born 1989), British equestrian who competes in eventing Lorraine Collett (1892–1983), American model, the "Sun-Maid girl" Lucy Collett (born 1989), British glamour model Mark Collett (born 1980), British political activist Nathan Collett, Kenyan filmmaker Ritter Collett (1921–2001), American sports editor and columnist Susan Collett (born 1961), Canadian artist Toni Collett (born 1972), birth name of Australian actress Toni Collette Wayne Collett (1945–2010), American Olympic silver medalist in the 400 meters
Given name: Collett Leventhorpe (1815–1889), Confederate brigadier general in the American Civil War Collett E. Woolman (1889–1966), one of the four founders of Delta Air Lines