ARA Moreno was a dreadnought battleship designed by the American Fore River Shipbuilding Company for the Argentine Navy (Armada de la República Argentina). Named after Mariano Moreno, a key member of the first independent government of Argentina, the First Assembly (Primera Junta), Moreno was the second dreadnought of the Rivadavia class, and the fourth built during the South American dreadnought race.