Auguste of Baden-Baden (Auguste Marie Johanna; 10 November 1704 – 8 August 1726) was born a Margravine of Baden-Baden, she was the Duchess of Orléans by marriage to Louis d'Orléans, Duke of Orléans. Her husband was a grandson of her father's former enemy Louis XIV of France. Known in France as Jeanne or Auguste de Bade, she died in childbirth. She is an ancestor of Louis Philippe I and of several members of royal families of Europe such as the Spanish and Italian as well as the present Grand Duke of Luxemburg.