Marie Dorothée Louise de Talleyrand-Périgord (17 November 1862 – 17 July 1948) was a French aristocrat most notable for her salons and her role in European high-society in the late 19th and early 20th centuries.

In court ceremonies, sometimes she had an advantage over her cousin, as a mediatised princess, sometimes not, because prince Radziwill was grand écuyer de l'Empereur.

According to George Painter, she inspired Proust to create the character of the young princess Guermantes, who was born a duchess in Bavaria and had a slight German accent.

[3] Intelligent and spiritual, she held a prestigious salon at the place des Saussaies in Paris, receiving Wilhelm II.

[4]whilst André de Fouquières stated she: had an imperious beauty and a royal presence.She was disliked by her rival, the Elisabeth, Countess Greffulhe.