| Acronym | Definition |
|---|
| PRR➣Positive Response Rate |
| PRR➣Poker Room Review |
| PRR➣Pennsylvania Railroad |
| PRR➣Prairie (street suffix) |
| PRR➣Palau Royal Resort |
| PRR➣Proportional Reporting Ratio (medication) |
| PRR➣Perfect Resume |
| PRR➣Pulse Rate Repetition |
| PRR➣Print Request Router |
| PRR➣Pattern Recognition Receptor (immunology) |
| PRR➣Production Readiness Review |
| PRR➣Pulse Repetition Rate |
| PRR➣Personal Role Radio |
| PRR➣Peer Review Report (various organizations) |
| PRR➣Pure Reason Revolution (band) |
| PRR➣Pressure Regulator |
| PRR➣Public Relations Review (Elsevier publication) |
| PRR➣Policy Research Report (Worldbank) |
| PRR➣Pathogen Recognition Receptor (biology) |
| PRR➣Peachtree Road Race (10K footrace; Atlanta, GA, USA) |
| PRR➣Preliminary Requirements Review |
| PRR➣Profiling Reflectance Radiometer (optical instrument measuring upwelling and downwelling light in a water column) |
| PRR➣Pseudo Response Regulator (cell physiology) |
| PRR➣Program Requirements Review |
| PRR➣Planned Reenlistment or Retirement |
| PRR➣Preventive Resin Restoration (dentistry) |
| PRR➣Pre-Readiness Review |
| PRR➣Packet Reception Ratio |
| PRR➣Prison Release Reoffender |
| PRR➣Problem Reporting and Resolution (quality management) |
| PRR➣Priority Round Robin |
| PRR➣Production Revision Record |
| PRR➣Passenger Reservation Request |
| PRR➣Pacific Road Runners (Canada) |
| PRR➣Primary Reference Receiver (Datum) |
| PRR➣Pressure Rise Rate |
| PRR➣Packet Resource Request |
| PRR➣Personnel Requirements Report |
| PRR➣Problem Resolution Report |
| PRR➣Program Readiness Review |
| PRR➣Personnel Replacement Requirements |
| PRR➣Parts Replacement Request |
| PRR➣Property Rights Research |
| PRR➣Personnel Readiness Review (US Army) |
| PRR➣Pilot Record Request |
| PRR➣Production Revision Request |
| PRR➣Protective Response Recommendation |
| PRR➣Personnel Resource Roster |
| PRR➣Puerto Rico Supreme Court Reports |
| PRR➣Pyrochemical Reduction |
| PRR➣Product Review Report |
| PRR➣Processing Rheology Ratio (thermoplastic olefinic compositions) |
| PRR➣Predictive-Ratio Risk (software reliability) |