Louis Marie Bretagne Dominique de Rohan-Chabot, 5th Duke of Rohan, Roquelaure and Lude (17 January 1710 – 28 November 1791), was a French aristocrat and soldier.

Affected in his prestige by the Affair of the Queen's Necklace, saddened by the ruin of a Rohan, Jules, Prince of Guéméné, who by his prodigality had made a bankruptcy of 33 million, he had retired to his estate in Nice.

Before her death, they were the parents of:[1] In 1758, he married, for the second time, to Charlotte de Crussol d'Uzès (1732-1791), only daughter of Charles Emmanuel de Crussol, 8th Duke of Uzès and Émilie de La Rochefoucauld (the daughter of François de La Rochefoucauld, 4th Duke of La Rochefoucauld).

[3][4] Charlotte was a friend of Marie-Thérèse, Marquise de La Ferté-Imbault.

As all of his children predeceased him, his heir was his cousin Louis-Antoine de Rohan-Chabot.