Bonnet is a French surname. Notable people with the surname include:
Charles Bonnet (1720–1793), Swiss naturalistFrançoise Bonnet (born 1957), French long-distance runnerGeorges Bonnet (1889–1973), French politicianGraham Bonnet (born 1947), British singerJoseph Bonnet (1884–1944), French organist and composerLeslie Bonnet (1902–1985), British RAF officer, duck breeder and writerPierre Ossian Bonnet (1819–1892), French mathematicianRené Bonnet (1904–1983), French driver and automobile constructorRob Bonnet (born 1952), British journalistStede Bonnet (c. 1680–1718), pirateWilliam Bonnet (born 1982), French professional road bicycle racer