| Acronym | Meaning |
| RPG | Rocket-Powered Grenade |
| RPG | Rocket-Propelled Grenade |
| RPG | Radar Product Generator |
| RPG | Radiation Protection Guide |
| RPG | Rape Prevention Glasses (offensive military slang for standard issue eyeglasses) |
| RPG | Rassemblement du Peuple de Guinée (French: Rally of the People of Guinea) |
| RPG | Rassemblement Pour le Gabon (French: Rally for Gabon) |
| RPG | Rate Per Gallon |
| RPG | Reasonable and Probable Grounds |
| RPG | Recommended Practices Guide |
| RPG | REFORGER Planning Group |
| RPG | Regional Planning Group (various locations) |
| RPG | Regional Planning Guidance |
| RPG | Regional Policy Guidance (UK) |
| RPG | Report Generator |
| RPG | Research Planning Group/Guide |
| RPG | Research Program Grant (various organizations) |
| RPG | Research Project Grant (various organizations) |
| RPG | Resource Protection Group |
| RPG | Reuse Planning Group |
| RPG | Rounds Per Gun (aircraft) |
| RPG | Ruchnoy Protivotankovy Granatomyot (Russian: Rocket Propelled Grenade) |