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What does IO Stand For in Airports & Locations ?
For IO we have found 175 definitions.
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What does IO mean? We know 175 definitions for IO abbreviation or acronym in 8 categories. Possible IO meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
IO Stands For:
| Rank | Abbreviation | Meaning | |
|---|---|---|---|
| ***** | IO | British Indian Ocean Territory Country Army & Military Usps | |
| *** | IO | Indonesian Airlines Iata Aircraft Codes | |