Iojima
Iôjima, Iôtô, Iôshima can refer to a number of different places:
- Iôshima 硫黄島 - an island in Kagoshima prefecture; located to the south of the Satsuma peninsula and north of Yakushima
- Iô Torishima 硫黄鳥島 - an island in the Amami Islands group, but administered as part of the city of Kumejima, Okinawa prefecture
- Iwo Jima 硫黄島 - an island in the Ogasawara Islands group, administered as part of Tokyo Metropolis. The site of a particularly famous World War II battle.