Nishinoshima (西ノ島町, Nishinoshima-chō) is a town located on the island of Nishinoshima, in Oki District, Shimane Prefecture, Japan. As of June 2013, the town had an estimated population of 3,015 and a population density of 53.8 persons per km². The total area was 55.98 km2 (22 sq mi).