René-Louis de Voyer de Paulmy, Marquis d'Argenson (18 October 1694 – 26 January 1757) was a politician and friend of Voltaire, who served as Minister for Foreign Affairs from November 1744 to January 1747.
His younger brother, Marc-Pierre, Comte d'Argenson (1696-1764), was Minister of War from 1743 to 1747.