| Acronym | Definition |
|---|
| OCV | Open Circuit Voltage |
| OCV | Offshore Construction Vessel |
| OCV | Oral Cholera Vaccine |
| OCV | On-Chip Variation |
| OCV | Optical Character Verification (EnSeal proprietary document authentication technology) |
| OCV | Out-of-Country Voting |
| OCV | Organic Cotton Velour (product feature) |
| OCV | Official Calfhood Vaccination |
| OCV | On Command Video Corporation (various locations) |
| OCV | Oil Control Valve (automotive engines) |
| OCV | Offensive Combat Value (gaming, Hero System 5th Edition) |
| OCV | Open Crankcase Ventilation |
| OCV | Office of the County Veterinarian (California) |
| OCV | Old Aircraft Carrier (US Navy) |
| OCV | One Character Victory (fighting games) |
| OCV | Oxford Conservation Volunteers (est. 1977) |
| OCV | Output Circuit Voltage |
| OCV | Order of Consecrated Virgins (Roman Catholic religious order) |
| OCV | Overland Camping Vehicle (Australia and New Zealand) |