The Central Indo-Pacific is a biogeographic region of Earth's seas, comprising the tropical waters of the western Pacific Ocean, the eastern Indian Ocean, and the connecting seas.
The Central Indo-Pacific is a part of the larger Indo-Pacific, which includes the tropical Indian Ocean, the western and central tropical Pacific Ocean, and the seas connecting the two in the general area of Indonesia. The Central Indo-Pacific may be classified as a marine realm, one of the great biogeographic divisions of the world's ocean basins, or as a subrealm of the Indo-Pacific.