JIO
| Acronym | Definition |
|---|---|
| JIO | Jonah Interagency Office (US DOI) |
| JIO | Joint Intelligence Organisation |
| JIO | Joint Interrogation Operations (US DoD) |
| JIO | Joint Integration Office |
| JIO | Joint Information Office |
| JIO | Japan Inspection Organization Co Ltd (Tokyo, Japan) |
| JIO | Justification for Interim Operation |
| JIO | Joined Industrial Operations |