| Rank | Abbreviation | Meaning |
|---|
| ***** | PBRA | Proof by Repeated Assertion
| |
| ***** | PBRA | Paperwork Burden Reduction Act of 1980
| |
| **** | PBRA | Pick the Best Runningback Available
| |
| **** | PBRA | Post Burn Raw Area
| |
| **** | PBRA | Plot Based Resolution Analysis
| |
| *** | PBRA | Phil Burgan Race Academy
| |
| *** | PBRA | Pencil-Beam Redefinition Algorithm
| |
| ** | PBRA | Plant Breeding and Research Association
| |
| * | PBRA | Preliminary Baseline Risk Assessment
| |
| * | PBRA | Permian Basin Restaurant Association
| |
| * | PBRA | Professional Barrel Racers Association
| |
| * | PBRA | Person Based Resource Allocation
| |
| * | PBRA | Professional Bull Riders Association
| |
| * | PBRA | Practice Bomb Rack Adapter
| |
| * | PBRA | Permian Basin Repeater Association
| |
| * | PBRA | pupil-based risk assessment
| |
| * | PBRA | Poipu Beach Resort Association
| |
| * | PBRA | Panhandle Barrel Racing Association
| |
| * | PBRA | Profit-Based Reliability Analysis
| |
| * | PBRA | Professional Bathtub Refinishers Association
| |
| * | PBRA | Pork Barrel Reduction Act
| |
| * | PBRA | Professional Bull Riding Association
| |
| * | PBRA | Pharmaceutical Business Research Associates
| |
| * | PBRA | Project-Based Rental Assistance
| |
| * | PBRA | Patient Bill of Rights Act
| |