| Acronym | Definition |
|---|
| OOPP➣Objective Oriented Project Planning (planning tool, see ZOPP / GTZ) |
| OOPP➣Out of Process Plug-ins (Mozilla Firefox) |
| OOPP➣Open ORB (Object Request Broker) Python Prototype (Lancaster University; UK) |
| OOPP➣Osobni Ochranne Pracovni Prostredky (Czech: Personal Protective Equipment; employer health requirements) |