| PAR(S) | Protease-Activated Receptor(S) 
| Others |
| PARS | Paintless Autobody Repair Specialists
| Others |
| PARS | Parkinson Associated Risk Study
| Others |
| PARS | Partitions
| Others |
| PARS | Passengers Arrested Reservation System
| Others |
| PARS | Passive Ruckhaltesysteme
| Others |
| PARS | Paytable And Reel Strips
| Others |
| PARS | Penn Academy for Reproductive Sciences
| Others |
| PARS | Pennsylvania Amphibian and Reptile Survey
| Others |
| PARS | People Against Racial Slurs
| Others |
| PARS | Performance Accelerated Restricted Stock
| Others |
| PARS | Performance Analysis and Recommendation Summary
| Others |
| PARS | Performance Analysis and Reporting System
| Others |
| PARS | Performance Analysis Reporting System
| Others |
| PARS | Performance Appraisal Rewarding System
| Others |
| PARS | Pilot Activated Recovery System
| Others |
| PARS | Place A Reservation Simply
| Others |
| PARS | Plymouth Argyll rosyth supporters
| Others |
| PARS | Point A Rally Scoring
| Others |
| PARS | Poly ADP Ribose Synthetase
| Others |
| PARS | Polygon Attribute Reaggregation System
| Others |
| PARS | Port Access Route Study
| Others |
| PARS | Postal Automated Redirection System
| Others |
| PARS | Power Aware Route Selection
| Others |
| PARS | Prairieland Amateur Radio Society
| Others |
| PARS | Pre-Arrival Review System
| Others |
| PARS | Preservation and Reformatting Section
| Others |
| PARS | Privacy Act Release Statement
| Others |
| PARS | Professional Automotive Relocation Services
| Others |
| PARS | Program Activities Review Staff
| Others |
| PARS | Program and Activity Reporting System
| Others |
| PARS | Programmed Airline Reservation System
| Others |
| PARS | Project Assessment and Reporting System
| Others |
| PARS | Property Accountability Record System
| Others |
| PARS | Proposal Approval Routing System
| Others |
| PARS | Public Abstract Request System
| Others |
| PARS | Public Agency Retirement Services
| Others |
| PARS | Public Agency Retirement System
| Others |