Oita often refers to: Ōita Prefecture, Kyushu, Japan Ōita (city), the capital of the prefecture
Oita or Ōita may also refer to:
Places Ōita District, Ōita, a former district in Ōita Prefecture, Japan Ōita Stadium, a multi-use stadium in Ōita, Ōita Prefecture, Japan Oița River, a tributary of the Bistriţa River in Romania Mount Oeta (also "Oita" or "Oiti"), a mountain in Central Greece
Transportation Oita Airport, an airport in Kunisaki, Ōita Prefecture, Japan Ōita Station, a JR Kyūshū train station in Ōita, Ōita Prefecture, Japan
People Koichi Oita (1914–1996), former Japanese football (soccer) player and manager
Sports and entertainment Oita Miyoshi Weisse Adler, a men's volleyball team based in Ōita, Ōita Prefecture, Japan Oita Trinita, a J. League football (soccer) team in Ōita, Ōita Prefecture, Japan
Biology Oita salamander, a species of salamander in the family Hynobiidae endemic to Japan