List of Famous people born in Île-de-France, France

Princess Florestine Gabrielle Antoinette of Monaco was the youngest child and only daughter of Florestan I, Prince of Monaco, and his wife, Maria Caroline Gibert de Lametz. Florestine was a member of the House of Grimaldi and a Princess of Monaco by birth and a member of the House of Württemberg and Duchess consort of Urach and Countess of Württemberg through her marriage to Wilhelm, 1st Duke of Urach.

Simone Le Bargy,, born Pauline Benda but better known by her stage and pen name, Madame Simone, was a French actress and woman of letters.

André Marcel Berthelot was the son of the chemist and politician Marcellin Berthelot and a député of the Seine.

Christian Gallimard is a French publisher and entrepreneur based in Geneva.

Frédéric Berthet was a 20th-century French writer.

Claude Arrieu was a prolific French composer. Claude Arrieu was the pseudonym used by Louise-Marie Simon.

Pierre Léon Boutroux was a French mathematician and historian of science. Boutroux is chiefly known for his work in the history and philosophy of mathematics.

Pierre David-Weill was a French investment banker.

Philip of Orléans was a Duke of Orléans, Touraine, and Count of Valois, the fifth son of King Philip VI of France and his wife Joan the Lame.