Pierre Antoine may refer to:
Pierre Antoine Deblois (1815–1898), Quebec farmer, businessman and political figure
Pierre Antoine Delalande (1787–1823), French naturalist and explorer
Pierre Antoine Marie Crozy (1831–1903), French canna and rose breeder
Peter Anthony Motteux, born Pierre Antoine Motteux (1663–1718), English translator and dramatist
Pierre Antoine Noël Bruno, comte Daru (1767–1829), French soldier, statesman, historian and poet
Pierre Antoine Poiteau (1766–1854), French botanist, gardener and botanical artist
