ORPP
| Acronym | Definition |
|---|---|
| ORPP | Ontario Retirement Pension Plan |
| ORPP | Ocean Research Priorities Plan |
| ORPP | Open Robotics Peripheral Platform |
| ORPP | Office of Regional Policy and Planning |
| ORPP | Optimized Relativistic Pseudopotential |
| ORPP | Open Reduction and Percutaneous Pinning |
| ORPP | Ordinary Reasonable and Prudent Person (law) |