Île Saint-Paul (
Saint Paul Island) is an
island forming part of the
French Southern and Antarctic Lands (
Terres australes et antarctiques françaises, TAAF) in the
Indian Ocean, with an area of . The island is located about southwest of the larger
Île Amsterdam, and southeast of
Réunion. It is an important breeding site for
seabirds. A scientific research cabin on the island is used for scientific or ecological short campaigns, but there is no permanent population. It is under the authority of a senior administrator on
Réunion.