| Abbreviation | Definition |
|---|---|
| PEWS | Production Early Warning System |
| PEZ | PATRIOT Engagement Zone |
| PFA | Physical Fitness Assessment |
| PFA | Primary Federal Agency |
| PFAB | Parachute Field Artillery Battalion |
| PFASC | Patriot Field Army Service Center |
| PFB | Preliminary Flying Badge |
| PFC | Plug Fire Cartridge |
| PFC | Private First Class |
| PFC | Private First Class - Army, USMC |
| PFD | Prepared For Dying |
| PFD | Probability of Fault Detection |
| PFDB | Planning Factors Database |
| PFE | Private For Ever |
| PFE | Promotion Fitness Examination |
| PFF | Planning Factors File |
| PFG | Private For Good |
| PFIAB | President's Foreign Intelligence Advisory Board |
| PFID | Positive Friendly Identification |
| PFL | Private For Life |