| Acronym | Definition |
|---|
| OVA | Original Video Animation |
| OVA | Open Virtualization Alliance |
| OVA | Outlook Voice Access (software) |
| OVA | Organic Vapor Analyzer (analytical chemistry) |
| OVA | Office of Veterans Affairs (various locations) |
| OVA | Ontario Volleyball Association (Canada) |
| OVA | Open Virtual Appliance (computer programming) |
| OVA | Optical Vector Analyzer |
| OVA | Overhead Value Analysis |
| OVA | Ontario Veal Association |
| OVA | Openvera Assertions |
| OVA | Office Validation Assistant (Microsoft) |
| OVA | Ohio Vocational Association |
| OVA | Ozark Virtual Airlines |
| OVA | Owners Value Added |
| OVA | Officier Van Administratie (Dutch) |
| OVA | Overflow Flag for Accumulator A in STO |
| OVA | Occurrence, Variance & Accident |