| Abbreviation | Definition |
|---|---|
| PKT | Packet |
| PKW | Panzer Kampf Wagen |
| PKX | Contracting Support Division, Warner Robins Air Force Base |
| PL | Phase Line |
| PL | Plans |
| PLA | Patent Licensing Agreement |
| PLA | Peoples Liberation Army |
| PLA | Plain Language Address |
| PLAAF | People’s Liberation Army Air Force (PLAAF) |
| PLAD | Plain Language Address Directory |
| PLADS | Plain Language Address Distribution System |
| PLAF | People's Liberation Armed Forces |
| PLAN | People's Liberation Army Navy |
| PLANAF | People's Liberation Army Naval Air Force |
| PLANORD | Planning Order |
| PLASSN | Planning and Training Associations |
| PLASTEC | Plastics Technical Evaluation Center |
| PLAT | Pilot's Landing Aid Television |
| PLB | Personal Locator Beacon |
| PLC | Patrol Leader Council |