Collet is both a surname and a given name. Notable people with the name include:
Surname: Bernt Johan Collet (born 1941), eldest son of Chamberlain and Master of the Royal Hunt Caio Collet (born 2002), Brazilian racing driver Cédric Collet (born 1984), French Guadeloupean football midfielder Charles Collet, British Naval airman during the First World War Christopher Collet (born 1968), American actor Clara Collet (1860–1948), British sociologist David Collet (1901–1984), British rower who competed in the 1928 Summer Olympics Frédéric Justin Collet (1870–1966), French pathologist and otolaryngologist Henri Collet (1885–1951), French composer and music critic Hippolyte-Victor Collet-Descotils (1773–1815), French chemist Jaume Collet-Serra (born 1974), Spanish-American film director John Caskie Collet (1898–1955), United States federal judge in Missouri Mark Collet (disambiguation), multiple people with the name Marie Roxana Collet, Mauritian politician Philippe Collet (born 1963), retired French pole vaulter Pierre Collet (actor) (1914–1977), French film actor Pierre Collet (physicist) (born 1948), French mathematical physicist, Robert Collet (born 1948), French Thoroughbred racehorse trainer Ronald Collet Norman (1873–1963), banker, administrator and politician Sophia Dobson Collet (1822–1894), British feminist Stéphane Collet (born 1972), retired French-Malagasy football midfielder Vincent Collet (born 1963), French basketball coach
Given name: Collet Barker (1784–1831), military officer and explorer Collet Bou Gergis, birth name of Dina Hayek (born 1975), a popular Lebanese singer Collet Dobson Collet (1812–1898), radical freethinker, Chartist and campaigner against newspaper taxation
Fictional characters: Jérôme Collet, The Da Vinci Code character Collet Brunel, Tales of Symphonia character