Amami Ōshima (Japanese: 奄美大島; Okinawan: Uushima; Amami Ōshima: Ushima), also known as Amami, is the largest island in the Amami archipelago between Kyūshū and Okinawa. It is one of the Satsunan Islands, all of which belong to Kagoshima Prefecture, Japan.
The island, 712.35 km in area, has a population of approximately 73,000 people. Administratively it is divided into the city of Amami, the towns of Tatsugō, Setouchi, and the villages of Uken and Yamato in Kagoshima Prefecture. Much of the island is within the borders of the Amami Guntō National Park.