| Acronym | Definition |
|---|
| PFF | Protect from Freezing |
| PFF | Progress & Freedom Foundation |
| PFF | Pennsylvania Fly Fishing (resource) |
| PFF | Pakistan Football Federation |
| PFF | Philadelphia Film Festival (Philadelphia, PA) |
| PFF | Preparing Future Faculty (training university teaching assistants) |
| PFF | Platonic Female Friend |
| PFF | Punjab Frontier Force (British Indian army) |
| PFF | Planning for the Future (various locations) |
| PFF | Pathfinder Force (Royal Air Force; UK) |
| PFF | Peach Fruit Fly (insect) |
| PFF | Portable Film Festival |
| PFF | Pohlad Family Foundation (Minneapolis, MN) |
| PFF | Paraform File |
| PFF | Portable Form File |
| PFF | Porsche Fan Forum |
| PFF | Property Filter File Format |
| PFF | Parks, Flora and Fauna (Department of Natural Resources and Environment; Australia) |
| PFF | Polymer Fume Fever |
| PFF | Progressive Freefall course (Canadian parachute training program) |
| PFF | Partnership for Families (First 5 LA; Los Angeles, CA) |
| PFF | Performance Feedback Form |
| PFF | Protection from Fire (gaming) |
| PFF | Putting Family First |
| PFF | Page Fault Frequency |
| PFF | Prioritize, Focus and Follow-up |
| PFF | Portland Family of Funds Holdings, Inc. (Oregon) |
| PFF | Phoenix Fan Force (Star Wars) |
| PFF | Pakistan Friends Foundation |
| PFF | Pre-Formed Fragmentation (type of ammunition projectile) |
| PFF | Physical Fitness Facility (various locations) |
| PFF | Protein-Free Filtrate |
| PFF | Planning Factors File |
| PFF | Private Financial Fund (Bolivia) |
| PFF | Pathlength Feed-Forward |
| PFF | Psycho Frag Fest (gaming) |
| PFF | Porcupine Freedom Festival |