Messerschmitt AG () was a German aircraft manufacturing corporation (AG) named after its chief designer Willy Messerschmitt and known primarily for its World War II fighter aircraft, in particular the Bf 109 and Me 262.
Njegov najpomembnejši letalski model je Messerschmitt Bf 109, ki ga je leta 1934 izdelal v sodelovanju z Walterjem Rethlom.