| Acronym | Definition |
|---|
| VO➣Very Old (cognac aged at least 4.5 years) |
| VO➣Volume |
| VO➣Voice Over (TV scriptwriting term) |
| VO➣Virtual Organization |
| VO➣Virtual Observatory |
| VO➣Virtual Office |
| VO➣Véhicule d'Occasion (French: Used Vehicle) |
| VO➣Vor Ort (German: locally) |
| VO➣Vecchio Ordinamento (Italian: Old Curriculum Requirements) |
| VO➣Version Originale |
| VO➣Very Optimistic |
| VO➣Valve Opening |
| VO➣Volatile Organic |
| VO➣Observation Plane (US Navy) |
| VO➣Velocity Obstacle (robotics) |
| VO➣Shuttle Operations (US NASA) |
| VO➣Visa Officer (various nations) |
| VO➣Vegan Outreach |
| VO➣ValueOptions |
| VO➣Observation Squadron |
| VO➣Vehicle Operations |
| VO➣Voice Only |
| VO➣Verbal Order |
| VO➣Validation Office (US DoD) |
| VO➣Victorian Order (British decoration for personal service to the sovereign) |
| VO➣Variation Order |
| VO➣Vertical Opening |
| VO➣Directie Voortgezet Onderwijs (Dutch) |
| VO➣Village Officers (India) |
| VO➣Navy Battleship Observation Squadron (US Navy) |
| VO➣Verifying Official |
| VO➣Value Optimization |
| VO➣Voluntary Opening |
| VO➣Valence Orbital |
| VO➣Verifying Officer |
| VO➣Vendor Order |
| VO➣Spotting Squadron (US Navy aviation unit designation used in 1922) |
| VO➣Navy Observation Squadron (US Navy aviation unit designation used from 1920s to 1970s) |
| VO➣Vision Operator |
| VO➣Visitors and Observers |
| VO➣Visual Opening (graphics) |
| VO➣Votoms Online (gaming) |