| Acronym | Definition |
|---|
| PRPA | Platte River Power Authority (Colorado & Wyoming) |
| PRPA | Puerto Rico Ports Authority (Puerto Rican government agency) |
| PRPA | Paleontological Resources Preservation Act of 2009 |
| PRPA | Prince Rupert Port Authority (Canada, formerly Prince Rupert Port Corporation) |
| PRPA | Post-Retirement Pension Adjustment (Alaska) |
| PRPA | Pacific Railroad Preservation Association (Portland, OR) |
| PRPA | Peel Regional Police Association (Mississauga, ON, Canada) |
| PRPA | Prairie Region of Photographic Arts |
| PRPA | Professional Race Pilots Association |
| PRPA | Pennsylvania Rifle and Pistol Association |
| PRPA | Polarization Reconfigurable Patch Antenna |