The Battle of Maguindanao or Cotabato and Maguindanao Campaign (Filipino: Labanan sa Maguindanao o Kampanya sa Cotabato at Maguindanao) was one of the final battles of the Philippines Campaign of World War II. The battle was fought in advance of U.S. landings by Philippine Commonwealth military forces and the recognized Christian and Muslim guerrilla fighters against Imperial Japanese Army troops.