Io
Appearance
Look up IO in Wiktionary, the free dictionary.
IO may refer to:
An abbreviation
- I.O., a theater in Chicago, Illinois dedicated to improvisational comedy
- Industrial organization, the field of economics that studies the strategic behavior of firms, the structure of markets and their interactions
- Input/output, the collection of interfaces that different functional units of an information processing system use to communicate with each other
- International Operations, a fictional American Intelligence Agency in Wildstorm comics
- International Organization, a peer-reviewed journal that covers the entire field of international affairs
- IO Interactive, a Danish computer game developer
- iO Digital Cable, a service offered by Cablevision.
- Investigating Officer, a police officer usually from CID but of any rank, who heads and investigation
A code
- Indonesian Airlines' IATA airline designator
- British Indian Ocean Territory's ISO 3166-1 alpha-2 country code and DAFIF 0413 / DIA 65-18 / FIPS PUB 10-4 territory code.