Pierre Petit may refer to: Pierre Petit (engineer) (1594–1677), French military engineer, mathematician, and physicist Pierre Petit (scholar) (1617–1687), French poet, doctor, and classicist Pierre Petit (photographer) (1832–1909), French photographer Pierre Petit de Julleville (1876–1947), French Catholic archbishop Pierre Petit (cinematographer) (1920–1997), French cinematographer Pierre Petit (composer) (1922–2000), French composer Pierre Petit (politician) (born 1930), Martinique politician Pierre Petit (racing driver) (born 1957), French racecar driver