Pierre Petit

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