| CVO | Cam Valve Operation 
| Others |
| CVO | Canadian Virtual Observatory
| Others |
| CVO | Cascades Volcano Observatory
| Others |
| CVO | Central Valley Operations
| Others |
| CVO | Central Vein Occlusion
| Others |
| CVO | Certificate of Value and Origin
| Others |
| CVO | Chicago Volkswagen Organization
| Others |
| CVO | Chief Value Officer
| Others |
| CVO | Chief Veterinary Office
| Others |
| CVO | Chief Visionary Officer
| Others |
| CVO | Chief Vomit Officer
| Others |
| CVO | Childrens Very Own
| Others |
| CVO | Christelik Volkseie Onderwys
| Others |
| CVO | Christelike Volks Onderwys
| Others |
| CVO | Circular Vamp Oxford
| Others |
| CVO | Circular Vamp Oxfords
| Others |
| CVO | Cisco Virtual Office
| Others |
| CVO | Colin Van Ostern
| Others |
| CVO | College of Veterinarians of Ontario
| Others |
| CVO | Commercial Vehicle Operations
| Others |
| CVO | Community Veterinary Outreach
| Others |
| CVO | Community Voices On
| Others |
| CVO | Compiled Vault Object
| Others |
| CVO | Connected Vehicle Optimization
| Others |
| CVO | Corporate Vehicle Observatory
| Others |
| CVO | Counsellor Veterinary Officer
| Others |
| CVO | Covert Vampiric Operations
| Others |
| CVO | Credentialing Verification Organization
| Others |
| CVO | Credentials Verification Office
| Others |
| CVO | Credentials Verification Organization
| Others |
| CVO | Credentials Verification Organizations
| Others |
| CVO | Current Value Operation
| Others |
| CVO | Current Value Order
| Others |
| CVO | Custom Vehicle Opera
| Others |
| CVO | Custom Vehicle Operation
| Others |
| CVO | Custom Vehicle Operations
| Others |
| CVO | Custom Vehicle Outfitters
| Others |
| CVO | Custom Vehicles Operation
| Others |
| CVO | Customer Value Optimization
| Others |