| Abbreviation | Definition |
|---|---|
| OPAL | Open Program Access License |
| OPAS | Operational Property Asset System |
| OPD | Organizational Process Definition |
| OPD | Outsourced Product Development |
| OPEN | Objects, Process, Environment, and Notation |
| OPeNDAP | Open-source Project for a Network Data Access Protocol |
| OPERA | Open Process Engine For Reliable Activities |
| OPF | Organizational Process Focus |
| OPK | Oem Preinstall Kit |
| OPL | Open Programming Language |
| OPL | Open Publishing License |
| OPM | Object-Process Methodology |
| OPM | Organizational Performance Management |
| OPM | Original Programming Model |
| OPML | Outline Processor Markup Language |
| OPOS | OLE (Object Linking and Embedding) for Point Of Sale |
| OPP | Organizational Process Performance |
| OPPM | One-Page Project Manager |
| OPS | Operations Per Second |
| OPS | OPS Package System |