| Rank | Abbreviation | Meaning |
|---|
| ***** | PFRS | Philippine Financial Reporting Standards
| |
| ***** | PFRS | Profile of Fatigue-Related Symptoms
| |
| **** | PFRS | Patient Fiscal and Registration Services
| |
| *** | PFRS | Personal Fall Restraint System
| |
| * | PFRS | Pro Four Racing Series
| |
| * | PFRS | Per Flow ReSequencing Scheme
| |
| * | PFRS | Police and Fire System
| |
| * | PFRS | Phil Financial Reporting Standards
| |
| * | PFRS | Police and Firemen's Retirement System
| |
| * | PFRS | Police Fireman Retirement System
| |
| * | PFRS | Policemen and Firemen Retirement System
| |
| * | PFRS | Per Flow Re Sequencing
| |
| * | PFRS | Peachland Fire and Rescue Service
| |
| * | PFRS | Positive Feedback Regulatory System
| |
| * | PFRS | Polish Foundation of Robert Schuman
| |
| * | PFRS | Political Finance Reporting System
| |
| * | PFRS | Portable Frequency Rubidium Standard
| |
| * | PFRS | Physical Fitness Recording System
| |
| * | PFRS | Public Funded Research Systems
| |
| * | PFRS | Problem Failure Reports
| |
| * | PFRS | Portable Field Recording System
| |
| * | PFRS | Police and Firemen SRetirement
| |
| * | PFRS | Product Family Reasoning System
| |