Charles d'Angennes, marquis de Rambouillet (1577 – Paris, 26 February 1652) was a French noble and diplomat.
In 1610 he was appointed Grand Master of the King's Wardrobe and a Knight in the Order of the Holy Spirit (1619).
He was also State Councilor, Colonel-General of the Italian Infantry (1620) and Maréchal de camp (1620).
Appointed Ambassador of France to Italy, he negotiated in 1614 and then in 1615, during the War of the Montferrat Succession, the first and second peace treaties between Louis XIII and the Duke of Savoy.
[1] In 1600 he married Catherine de Vivonne, who became an important society hostess and a major figure in the literary history of 17th-century France.