Marie-Anne-Françoise Mouchard better known as Fanny de Beauharnais (4 October 1737, Paris – 2 July 1813), was a French lady of letters and salon-holder. She was the mother of French politician Claude de Beauharnais. She was the grandmother of Stéphanie de Beauharnais, Grand Duchess of Baden, and through her she is the ancestor of former royal families of Romania and Yugoslavia, and the present royal families of Belgium, of Luxembourg and of Monaco.
She wrote poetry from her childhood onwards and, after separating from her husband, devoted herself to literature, became friends with literary figures such as Claude Joseph Dorat and Michel de Cubières-Palmézeaux. Her salon became a choice social venue, and she became a member of the Académie des Arcades.
In 1787 she wrote and put on a five-act prose comedy entitled la Fausse inconstance, though it was not a success. In 1790 she was received into the Académie de Lyon.