| Acronym | Definition |
|---|
| VSO➣Very Superior Old (designation for brandy or port meaning it is between 12-17 years old) |
| VSO➣Voortgezet Speciaal Onderwijs (Dutch: Secondary Special Education) |
| VSO➣Voluntary Service Overseas |
| VSO➣Vente sur Offres (French: On Sale Offers) |
| VSO➣Vancouver Symphony Orchestra |
| VSO➣Video Switching Office |
| VSO➣Visual Simulation Object |
| VSO➣Vendor Specific Option |
| VSO➣Very Small Outline |
| VSO➣Variable Speed Operation |
| VSO➣Veterans Service Organization |
| VSO➣Vessel Security Officer (US Coast Guard) |
| VSO➣Vita Standards Organization |
| VSO➣Violin Shaped Object |
| VSO➣Veterans Services Office |
| VSO➣Virtual Solar Observatory |
| VSO➣Virginia Society of Ornithology (est. 1929) |
| VSO➣Volunteer Service Organization (United Kingdom) |
| VSO➣Verb Subject Object |
| VSO➣Voluntary Service Organisation |
| VSO➣Vienna Symphony Orchestra (Austria) |
| VSO➣Vocational Student Organization |
| VSO➣Variable Speed Operation (VXA Technology) |
| VSO➣Video Serving Office |
| VSO➣Very Small Outline (package) |
| VSO➣Very Stable Oscillator (US NASA) |
| VSO➣Virginia State Open (dance competition) |
| VSO➣Scout Observation Plane (US Navy) |
| VSO➣Volumetric Shutoff (aviation) |
| VSO➣Vendor Specific Option (computer science) |
| VSO➣Village Stability Operations (US and Afghanistan) |
| VSO➣Valdosta Southern Railroad |
| VSO➣Voltage Sensitive Orifice |
| VSO➣Scouting/Observation Squadron (US Navy, World War II) |
| VSO➣Vlaamse Sorteerders Organisatie (Dutch: Flemish Sorters' Organization) |
| VSO➣Virtual Service Offering (network management) |
| VSO➣Variable-Sweep Oscillator |
| VSO➣Video Systems Organization (GTE) |
| VSO➣Stalling Velocity in the Landing Configuration after Take-Off |