| Abbreviation | Definition |
|---|---|
| PG | Prisonnier de Guerre (Prisoner of War) |
| PG | Pursuit Group |
| PGA | Plane Gone Awol |
| PGB | Portable Gun Box |
| PGC | Product Group Code |
| PGDN | Plan General de Defensa Nacional |
| PGG | Panzer Gruppe Guderian |
| PGI | Presidential Guard Institute |
| PGI | Procedures, Guidance, and Information |
| PGM | Precision Guided Munitions |
| PGM | Precision-Guided Munition PH Potential of Hydrogen |
| PGMM | Precision Guided Mortar Munition |
| PGP | Pretty Good Privacy |
| PGS | Parks Global Solution |
| PGS | Precision Gunnery System |
| PGS | Primary Ground Station |
| PGS | Primary Gun System |
| PGU | Power Generation Unit |
| PGU | Precision Guided Unit |
| PGW | Precision Guided Weapons |