EDO

Edo may refer to:

• Edo, the historical name for Tokyo, Japan
• Edo Aircraft Corporation, a defunct American company that primarily designed aircraft floats
• Edo language, a language spoken in Nigeria
• Edo period, in Japanese history
• Edo River, a river in Japan
• Edo State, a province in Nigeria
• Edo people, the inhabitants of the province, creators of the Benin Empire
• Ejaculatory duct obstruction
• A race in Star Trek

EDO may refer to:

• EDO Corporation, an American technology company
• Equal Division of the Octave, a system of Equal temperament tuning in music
• Extended Data Out DRAM, a type of computer memory
• Extended Duration Orbiter, a NASA project
• Earned Day Off, acronym some private EMS companies use for an extra day off awarded to 24 hour shifts.