| PRI | Pacific Research Institute 
| Others |
| PRI | Pacific Resources Inc
| Others |
| PRI | Paleontological Research Institution
| Others |
| PRI | Panchayati Raj Institutions
| Others |
| PRI | Pantser Rups Infanterie
| Others |
| PRI | Paranormal Research And Investigation
| Others |
| PRI | Partido Revolucionario Institucional
| Others |
| PRI | Partido Revolucionario Institucionalizado
| Others |
| PRI | Patient Review Instrument
| Others |
| PRI | Paving Roofing and Industrial
| Others |
| PRI | Performance Racing Industry
| Others |
| PRI | Performance Review Institute
| Others |
| PRI | Performance Revision Institute
| Others |
| PRI | Personal Record Identifier
| Others |
| PRI | Personal Review Instrument
| Others |
| PRI | Physicians' Reciprocal Insurers
| Others |
| PRI | Platt Retail Institute
| Others |
| PRI | Policy Research Institute
| Others |
| PRI | Policy Rules Instances
| Others |
| PRI | Political Risk Insurance
| Others |
| PRI | Population Research
| Others |
| PRI | Population Research Institute
| Others |
| PRI | Port Railroads Incorporated
| Others |
| PRI | Postural Restoration Insitute
| Others |
| PRI | Postural Restoration Institute
| Others |
| PRI | Potential Russian Informant
| Others |
| PRI | Power Research Inc
| Others |
| PRI | Praslin Island Airport
| Others |
| PRI | Praslin Island, Seychelles Islands ( Indian Ocean)
| Others |
| PRI | Precision Radiation Instruments
| Others |
| PRI | Precision Reflex Inc
| Others |
| PRI | Prevention Routiere Internationale
| Others |
| PRI | Primary Rate Interface
| Others |
| PRI | Primary Rate Interfaces
| Others |
| PRI | Primary Rate Isdn
| Others |
| PRI | Principles for Responsible Investment
| Others |
| PRI | Printer Definitions
| Others |
| PRI | Printer definitions (LocoScript)
| Others |
| PRI | Prisoner Reentry Institute
| Others |
| PRI | Product Related Issues
| Others |
| PRI | Productive Rural Infrastructure
| Others |
| PRI | Professional Reform Initiative
| Others |
| PRI | Program Related Investment
| Others |
| PRI | Program Related Investments
| Others |
| PRI | Progressive Routing Indicator
| Others |
| PRI | Property Reserve Inc
| Others |
| PRI | Provider Resources Inc
| Others |
| PRI | Provisioning Instances
| Others |
| PRI | Public Radio International
| Others |
| PRI | Public Relations Index
| Others |
| PRI | Puerto Rico ISO
| Others |
| PRI | Pulse Repetition Interval
| Others |
| PRI | Pure Rate of Interest
| Others |
| PRI | Toyota Prius
| Others |