| Acronym | Definition |
|---|
| OV | Openbaar Vervoer |
| OV | Ocean View |
| OV | Ohio Valley |
| OV | Overflow |
| OV | Orden de Venta (Spanish: Sales Order) |
| OV | Original Version |
| OV | Official Version |
| OV | Estonian Air (IATA airline code) |
| OV | OpenView (Hewlett Packard) |
| OV | Orientación Vocacional (Spanish: Vocational Orientation; various locations) |
| OV | Output Voltage |
| OV | Organic Vapor |
| OV | Overvoltage |
| OV | Orbiter Vehicle |
| OV | Office Visit |
| OV | Outpatient Visit (healthcare) |
| OV | Osservatorio Vesuviano |
| OV | Operational View |
| OV | Oy Vey |
| OV | Optimum Voice |
| OV | Official Veterinarian (UK) |
| OV | Office Vision |
| OV | Official Visitor |
| OV | Outside Vendor |
| OV | Overstays (immigration) |
| OV | Orbiting Vehicle |
| OV | Operational Value |
| OV | Outlet Velocity |
| OV | Orbital Verification (Hubble Telescope) |
| OV | Ocean Venture |
| OV | Observation Vehicle |
| OV | Orchestra Victoria (South Melbourne, Australia) |
| OV | Overseas National Airways |
| OV | Organizational Value |
| OV | Observatory Verification |
| OV | Onbepaald Verband (Dutch) |
| OV | O'Nyong-nyong fever virus |