Charles Armand Tuffin, marquis de la Rouërie (April 1751 – January 1793), also known in the United States as "Colonel Armand", was a Breton cavalry officer who served under the American flag during the American War of Independence. He was promoted to brigadier general after the Battle of Yorktown. He is also known as one of the early leaders of the Breton Association (the Chouannerie) during the French Revolution.