| PAR | Population At Risk | - | Computer Acronyms(common) |
| PAR | Photosynthetically Active Radiation | - | Computer Acronyms(common) |
| PAR | Proteinase-activated Receptor | - | Computer Acronyms(common) |
| PAR | Planning Action Request | - | Organizations |
| PAR | Precision Approach Radar | - | Organizations |
| PAR | Problem Accountability Record | - | Organizations |
| PAR | Problem Action Record | - | Organizations |
| PAR | Problem Action Request | - | Organizations |
| PAR | Product Acceptance Review | - | Organizations |
| PAR | Performance Assurance Requirements | - | Business and Finance |
| PAR | Photosynthetically Active Radiation | - | Business and Finance |
| PAR | Personnel Action Request
| - | Human Genome |