Paul François de Quélen de Stuer de Caussade, 2nd Duke of La Vauguyon

Paul François de Quélen de Stuer de Caussade, 2nd Duke of La Vauguyon and sometimes mistakenly Paul François de Quélen de Stuer de Caussade de La Vauguyon (30 July 1746 – 14 March 1828) was a French nobleman. He was governor of Cognac, after having been involved in the last campaigns of the Seven Years' War. He wrote a Portrait de feu monseigneur le Dauphin and was menin to the future Louis XVI, one of the Dauphin's sons. A peer of France, brigadier, maréchal de camp, knight of the ordre du Saint-Esprit, he was chosen to be minister plenipotentiary to the Estates General of the Dutch Republic. He later became French ambassador to Spain, knight of the Golden Fleece, temporary minister of foreign affairs in 1789, then minister of the conseil d'État of Louis XVIII in Verona. He was the main intermediary among Louis's agents in France, but became the victim of intrigues. From the Restoration onwards he was lieutenant général and sat in the peerage of France, where he was noted for his moderation. He and his wife (dame d'honneur to the comtesse de Provence) had four children, but the Quelen line ended with his children.