Henri-Godefroi-Bernard-Alphonse, 1st Prince de La Tour d'Auvergne, 2nd Marquis de Saint-Paulet (21 October 1823 – 5 May 1871) was a French politician of the Second Empire who twice served as Minister of Foreign Affairs for Emperor Napoleon III.
De La Tour d'Auvergne was Ambassador of France to London (1863–69), in which capacity he was a signatory to the Treaty of London in 1867.
He was the son of Melchior de La Tour d'Auvergne-Lauraguais (1794–1849), 1st Marquess of Saint-Paulet and 2nd Baron of the Empire, and Laurence de Chauvigny de Blot.
He was married to Emilie Céleste Montault des Illes (1822–1857), daughter of Charles Montault des Illes and Emilie Adélaïde Bertrand. His only son was: