| Acronym | Definition |
|---|
| PRF | Performance |
| PRF | Preferences (File Name Extension) |
| PRF | Principal Research Fellow (various locations) |
| PRF | Proof (coin collecting) |
| PRF | Producer Recycling Fund (Ireland) |
| PRF | Purchase Requisition Form |
| PRF | Pulse Repetition Frequency |
| PRF | Pseudo Random Function (computer science; cryptography) |
| PRF | PetSafe Radio Fence (containment) |
| PRF | Pasture, Rangeland, and Forage (USDA) |
| PRF | Preliminary Registration Form |
| PRF | Pedigree Resource File |
| PRF | Pics Rules File |
| PRF | Pixel Run Format |
| PRF | Pseudo Random Function |
| PRF | Profile |
| PRF | Parks and Recreation Foundation (various locations) |
| PRF | Port Reception Facility (shipping) |
| PRF | Polynomial Root Finder (math software) |
| PRF | Probalistic Relevance Feedback (biomedicine) |
| PRF | Purdue Research Foundation (West Lafayette, IN) |
| PRF | Plymouth Rock Foundation (Plymouth, MA) |
| PRF | Personality Research Form (psychological testing) |
| PRF | Progeria Research Foundation |
| PRF | Protein Research Foundation |
| PRF | Petroleum Research Fund |
| PRF | Phenol-Resorcinol-Formaldehyde (adhesive) |
| PRF | Plan Review Fee (zoning) |
| PRF | Plan Régional de Formation (French: Regional Training Plan) |
| PRF | pontine reticular formation |
| PRF | Promotion Recommendation Form |
| PRF | Proton Resonance Frequency |
| PRF | Patient Report Form (ambulance work and first aid) |
| PRF | Point Response Function |
| PRF | Public Relations Firm |
| PRF | Personnel Resources File (US DoD) |
| PRF | Project Request Form |
| PRF | Pulse Recurrence Frequency |
| PRF | Platelet Rich Fibrin |
| PRF | Population Regression Function (economics) |
| PRF | Peninsula Radio Flyers (South Africa) |
| PRF | Protocol Review Form (various organizations) |
| PRF | Policy Reference File |
| PRF | Primary Reference Fuel |
| PRF | Package Request Form |
| PRF | Poverty Reduction Forum (Zimbabwe) |
| PRF | Proof File (file extension) |
| PRF | PreRecorded Friends |
| PRF | Public Radio Fan |
| PRF | Post Restaurant Fund |
| PRF | Plutonium Recovery Facility |
| PRF | Performance Related Fee |
| PRF | Personnel Readiness File/Folder |
| PRF | Pathology Resource Facility |
| PRF | Product Release Form |
| PRF | Policy Rating Factor (insurance) |
| PRF | Pulse Recurrence/Repetition Frequency |
| PRF | Process Request Form |
| PRF | Property Removal/Pass Request Form |
| PRF | Plan Contra Robo y Fraude (Spanish: Plan against Theft and Fraud) |
| PRF | Pilot Read File |
| PRF | Post-operative Respiratory Failure |
| PRF | Procurement Request Form (various companies) |
| PRF | Premier Rock Forum (aka Electrical Audio Forum) |