Pacific War, fighting between the Allies of World War II and the Empire of Japan in the Pacific during World War II

Southwest Pacific Area (SWPA), the Allied supreme military command in the South West Pacific Theatre

Pacific Campaign (WWI), fighting between the Allies of World War I and the German Empire in the Pacific region during World War I

Pacific Ocean Areas (POA), the major Allied military command in the Pacific Ocean theater

Pacific Theater of Operations, the official term used in the United States to refer to the campaigns in the Pacific during World War II