| Acronym | Definition |
|---|
| VCOS➣Visual Caching Operating System |
| VCOS➣Vespa Club of Seattle |
| VCOS➣Visible Caching Operating System |
| VCOS➣Volunteer Chief Officer Section |
| VCOS➣Volusia County Orchid Society |
| VCOS➣Vice Chief of Staff (various organizations) |
| VCOS➣Vehicle Control Operating System |
| VCOS➣Vehicle Combat Operating System |
| VCOS➣Vespa Club Of Sacramento (Sacramento, California) |