Armagnac may refer to:

County of Armagnac, a province of France Count of Armagnac House of Armagnac, a French noble house Armagnac (party), a prominent French political party during the Hundred Years' War Armagnac (brandy), a type of brandy Armagnac battalion, a resistance group in Toulouse organized by George Reginald Starr in advance of the Normandy invasion SNCASE Armagnac, a large French airliner of the late 1940s