| Abbreviation | Definition |
|---|---|
| PPDS | Precision Payload Delivery System |
| PPE | People Protecting Engine |
| PPE | Personnel Protective Equipment |
| PPE | Portable Positioned Exhaust |
| PPF | Personnel Processing File |
| PPFW | Propulsion Plant Fresh Water |
| PPG | Personnel Policy Guidance |
| PPG | Personnel Priority Group |
| PPG | Project Planning Group |
| PPG | Protection Planning Group |
| PPG | Pulsed Plasma Gun |
| PPI | Plan Position Indicator |
| PPIF | Photographic Processing & Interpretation Facility |
| PPL | Preferred Products List |
| PPL | Private Pilots License |
| PPL | Provisioning Parts List |
| Pplan | Programming Plan |
| PPLI | Precise Participant Location and Identification Ppm Parts Per Million |
| PPLI | Precise Participant Location Information |
| PPLI | Precise Position Location Information |