The South Pacific Area (SOPAC) was a multinational U.S.-led military command active during World War II. It was a part of the U.S. Pacific Ocean Areas under Admiral Chester Nimitz.

During World War II, the United States Army Air Forces engaged in combat against the Empire of Japan in the South Pacific Area. As defined by the War Department, this consisted of the Pacific Ocean areas which lay south of the Equator between longitude 159° East and 110° West. It included New Zealand, New Caledonia, New Hebrides, Fiji, and most of the Solomon Islands.