| Acronym | Definition |
|---|
| VIO | Violation |
| VIO | Vehicles in Operation |
| VIO | Variable Investment Option (finance) |
| VIO | Virtual Input Output |
| VIO | Video Input Output |
| VIO | Vehicle Inspection Officer (Nigeria) |
| VIO | Virtual Input/Output (MVS access method) |
| VIO | Victims' Information Officer (Corrections Department, Montana) |
| VIO | Volunteer Involving Organization (various locations) |
| VIO | Verre Industriel et Ouvré (French: Industrial and Crafted Glass) |
| VIO | Video Interpreter/Operator |
| VIO | Video/Virtual Input/Output |
| VIO | Vector Input Output |
| VIO | Vehicle Input Output (telematics) |
| VIO | Visual Intercept Officer |