Paul-Hippolyte de Beauvilliers, duke of Saint-Aignan
Paul-Hippolyte de Beauvilliers, duke of Saint-Aignan (15 November 1684, Paris – 22 January 1776, Paris) was a French diplomat, soldier, chevalier des ordres du Roi and peer of France.
He was the grandson of François Honorat de Beauvilliers and of Antoinette Servien and son of François de Beauvilliers, 1st duc de Saint-Aignan and Henriette-Louise Colbert.
He served as ambassador to Spain (where in 1716 he accompanied don Philip to the baptismal font in the name of France), then as a member of the Regency council in 1719, governor of Le Havre and ambassador extraordinary to Rome in 1731. He was elected a member of the Académie française in 1726 and of the Académie des inscriptions in 1732.
Duke of Saint-Aignan