| Abbreviation | Definition |
|---|---|
| OUM | On-line User Manual |
| OV | Output Variable |
| OVF | Vector field Format |
| OVL | Open Verification Library |
| OVL | Overlay |
| OVM | Open-source Virtual Machine |
| OVM/J | Open-source Java Virtual Machine |
| OVN | Oracle Venture Network |
| OVQ | Objective measurement methodologies for perceptual Video Quality |
| OVS | Overview Video System |
| OWL | Object Windows Library |
| OWL | Web Ontology Language |
| OWS | Object With Service |
| P | Personalize |
| P3P | Platform for Privacy Preferences |
| PA | Precision Architecture |
| PaaS | Platform as a Service |
| PACE | Plan Activate Check And Enable |
| PACS | Personal Access Communications System |
| PACS | Philadelphia Area Computer Society |