Edo may refer to:* Edo Aircraft Corporation, a defunct American company that primarily designed aircraft floats Edo State, a province in Nigeria Edo language, a language spoken in Nigeria The historical name for Tokyo, Japan Edo River, a river in Japan Edo period in Japanese history A race in Star Trek; see Edo EDO may refer to: EDO Corporation, an American technology company Equal division of the octave, a system of musical tuning: See Equal temperament Extended Data Out DRAM, a type… (More on Edo)