| P&R | Park and Ride 
| Others |
| P&R | Performance and Resources
| Others |
| P&R | Personnel and Readiness
| Others |
| P&R | Planning and Research
| Others |
| P&R | Planning and Resources
| Others |
| p.r. | per rectum - by rectum
| Others |
| p.r. | rectally (per rectum [ Lat.])
| Others |
| PR | A Public Relatives
| Others |
| Pr | Adobe Premiere Pro
| Others |
| PR | P receptor
| Others |
| PR | Pack Rat
| Others |
| PR | Packers Rock
| Others |
| PR | Page Rank
| Others |
| PR | Page Ranking
| Others |
| PR | PageRank
| Others |
| PR | Pagetoid Reticulosis
| Others |
| PR | Pain Relief
| Others |
| PR | Pair
| Others |
| PR | Pakistan Railways
| Others |
| PR | palindromic rheumatoid arthritis
| Others |
| PR | Palisades Regular
| Others |
| PR | Panicked Rattled
| Others |
| PR | Panta Rei
| Others |
| PR | Parachute Rigger
| Others |
| PR | Parameter Ram
| Others |
| PR | Parc Regency
| Others |
| PR | Parma (Provence)
| Others |
| PR | Pars Recta
| Others |
| PR | Partial Remission
| Others |
| PR | Partial Resection
| Others |
| PR | Partial Response
| Others |
| PR | Partido da República
| Others |
| PR | Partido Revolucionario
| Others |
| PR | Passive Resistance
| Others |
| PR | Password Recovery
| Others |
| PR | Pathogen Resistant
| Others |
| PR | Pathogenesis Related
| Others |
| PR | Paul Revere
| Others |
| PR | Paying Republican
| Others |
| PR | Payload Recorder
| Others |
| PR | Peace and Relaxation
| Others |
| PR | Peaceful and Responsible
| Others |
| PR | Peer Review
| Others |
| PR | pegylated interferon and/with weight-based ribavirin
| Others |
| PR | Pelican Rapids
| Others |
| PR | Penicillin Resistant
| Others |
| PR | Penquin Rank
| Others |
| PR | Pentium Rated
| Others |
| PR | people are
| Others |
| PR | Per Rectal
| Others |
| PR | Per Rectum
| Others |
| PR | per rectum (rectally) [Lat.]
| Others |
| PR | per rectum [Lat.] by rectal route
| Others |
| PR | Percentile Rank
| Others |
| PR | Perfect Resource
| Others |
| PR | Perfectly Responsible
| Others |
| PR | Performance Rating
| Others |
| PR | Performance Ratings
| Others |
| PR | Performance Recognition
| Others |
| PR | Performance Report
| Others |
| PR | Perfusion Rate
| Others |
| PR | Peripheral Resistance
| Others |
| PR | Perl Reichmann
| Others |
| PR | Permanent Representative
| Designation / Rank |
| PR | Permanent Residency
| Others |
| PR | Permanent Resident
| Others |
| PR | Perseverance Required
| Others |
| PR | Person Reporting
| Others |
| PR | Person Responsible
| Others |
| PR | Personal Recommendation
| Others |
| PR | Personal Record
| Others |
| PR | Personal Records
| Others |
| PR | Personal Relationship
| Others |
| PR | Personal Relationships
| Others |
| PR | Personal Revenue
| Others |
| PR | Personnel Recovery
| Others |
| PR | Pharmaceutical Representative
| Others |
| PR | Phenol Red
| Others |
| PR | Phoenix Raven
| Others |
| PR | Phosphorylation Rate
| Others |
| PR | Photo Reconnaissance
| Others |
| PR | Photoreactive Repair
| Others |
| PR | photoreceptor
| Others |
| PR | Physical Rehabilitation
| Others |
| PR | Picatinny Rail
| Others |
| PR | Pier
| Others |
| PR | Pigeon Rank
| Others |
| PR | Pinch runner
| Others |
| PR | Pitiful Racket
| Others |
| PR | Pityriasis Rosea
| Others |
| PR | Pixelated Resources
| Others |
| PR | Placental Retention
| Others |
| PR | PlaRock
| Others |
| PR | Play Rectangle
| Others |
| PR | Pleasant Reflection
| Others |
| PR | Pleasant Ridge
| Others |
| PR | Pleasant Run
| Others |
| PR | Please Retry
| Others |
| PR | Poodle Relations
| Others |
| PR | Poor Relation
| Others |
| PR | Poor Relations
| Others |
| PR | Poor Responder
| Others |
| PR | Poor Response
| Others |
| PR | Popularity and Reputation
| Others |
| PR | Populusque Romanus
| Others |
| PR | Pork Recordings
| Others |
| PR | Position Record
| Others |
| PR | Positive Reality
| Others |
| PR | Positive Reflections
| Others |
| PR | Positive Reinlorcement
| Others |
| PR | Positive-Real function
| Others |
| PR | Post Resuscitation
| Others |
| PR | Poste Restante
| Others |
| PR | Posting Reference
| Others |
| PR | Posting References
| Others |
| PR | Pouring Rain
| Others |
| PR | Poverty Reduction
| Others |
| PR | Power Physics
| Others |
| PR | Power Rangers
| Others |
| PR | Power Rankings
| Others |
| PR | Power Rating
| Others |
| PR | Power Reference
| Others |
| PR | Prachtig (Netherlands coin grade equivalent to Extremely Fine)
| Others |
| PR | Praise and Release
| Others |
| Pr | Prandtl Number
| Others |
| PR | Praseodymium
| Element |
| PR | Pratt Read
| Others |
| PR | Prayer Request
| Others |
| PR | Pre Release
| Others |
| PR | Preaching Resurrection
| Others |
| PR | Pregnancy Rate
| Others |
| PR | Preliminary Review
| Others |
| PR | Premium Rate
| Others |
| PR | Premium Rod
| Others |
| pr | PRepare for printing
| Others |
| PR | Prerequisite Required
| Others |
| PR | Press and Release
| Others |
| PR | Press Relations
| Others |
| PR | Press Release
| Others |
| PR | Pressure Ratio
| Others |
| PR | Pressure Reference
| Others |
| PR | Pressure Regulator
| Others |
| PR | Pretty Rad
| Others |
| PR | Pretty Rotten
| Others |
| PR | Prevalence Rate
| Others |
| PR | Previous Residence
| Others |
| PR | Previously Reported
| Others |
| PR | Price Received
| Others |
| PR | Primary Radar
| Military, Electronics |
| PR | Primary Response
| Others |
| PR | Primary Zone
| Others |
| PR | Prime Realestate
| Others |
| PR | Primitive Reflexes
| Others |
| PR | Princed Resources
| Others |
| PR | Princeton Review
| Others |
| pr | Print
| Others |
| PR | Prison Reform
| Others |
| PR | Proactive Result
| Others |
| PR | PRobability of ....
| Others |
| PR | Probably Ran
| Others |
| PR | Problem Report
| Others |
| PR | Problem Resolution
| Others |
| PR | Procurement Regulation
| Others |
| PR | Producer Responsibility
| Others |
| PR | Product Responsibility
| Others |
| PR | Product Review Branch
| Others |
| PR | Production Rate
| Others |
| PR | Production Requirement
| Others |
| PR | Productive Relations
| Others |
| PR | Progesterone Receptor
| Others |
| PR | Program Revenue
| Others |
| PR | Program Review
| Others |
| PR | Programmed Release
| Others |
| PR | Progress Record
| Others |
| PR | Progress Report
| Others |
| PR | Project Reality
| Others |
| PR | Proliferation Rate
| Others |
| PR | Proline Rich
| Others |
| PR | Prolonged Release
| Others |
| PR | Proper Respect
| Others |
| PR | Proportional Representation
| Others |
| PR | propranolol
| Others |
| PR | Prosecutive Report
| Others |
| PR | Prospective Reimbursement
| Others |
| PR | Prosthion
| Others |
| PR | Protecting Relationships
| Others |
| PR | Protein Restriction
| Others |
| PR | Protein Retention
| Others |
| PR | Prothrombin Ratio
| Others |
| PR | PRoved a will
| Others |
| PR | Province
| Others |
| PR | Provincial Road
| Others |
| PR | Public Radio
| Others |
| PR | Public Read
| Others |
| PR | Public Relation
| Others |
| PR | Public Relations
| Communication, Marketing |
| PR | Public Representative
| Others |
| PR | Public Romance
| Others |
| PR | Publicity Rut
| Others |
| PR | Puerto Rican
| Others |
| PR | Puerto Rico
| State |
| PR | Pull Request
| Others |
| PR | Pulmonary Regurgitation
| Others |
| PR | Pulmonary Rehabilitation
| Others |
| PR | Pulmonary Resistance
| Others |
| PR | Pulse Rate
| Others |
| PR | Pulse Rifle
| Others |
| PR | Punjab Regiment
| Others |
| PR | Punk Rock
| Others |
| PR | Punt Returner
| Others |
| PR | Purcell Realization
| Others |
| PR | Purchase Request
| Others |
| PR | Purchase Requisition
| Others |
| PR | Puro Rascals
| Others |
| PR | Purple Ribbon
| Others |
| PR | Pushing Revenue
| Others |
| PR | Rectally
| Others |
| PR | Republican Party of Albania
| Others |
| PR | River Gunboat (Patrol, River)
| Others |
| PR | Sun Raster file Bitmap graphics
| Others |