| Acronym | Definition |
|---|
| PGS | Pages |
| PGS | Petroleum Geo-Services |
| PGS | Parallel Giant Slalom (skiing and snowboarding competitions) |
| PGS | Program of Graduate Studies (various schools) |
| PGS | Partnership for Global Security |
| PGS | Paisley Grammar School (UK) |
| PGS | Paul Gerhardt Schule (German school) |
| PGS | Problem Gambling Services (various organizations) |
| PGS | Peripheral Gateways |
| PGS | Princeton Graphic Systems |
| PGS | Premiere Global Services (various locations) |
| PGS | Post Graduate School (various locations) |
| PGS | Prompt Global Strike |
| PGS | Parker Global Strategies (Stamford, CT) |
| PGS | Planning Gain Supplement (UK land tax) |
| PGS | Plant Genetic Systems (Belgium) |
| PGS | Power Generation Subsystem (US NASA) |
| PGS | Portsmouth Grammar School |
| PGS | Physicians for Global Survival, Canada |
| PGS | Parking Guide System (various companies) |
| PGS | Precision Gas System (carbon dioxide) |
| PGS | Politique du Gouvernement sur la Sécurité (French) |
| PGS | Persian Gulf Syndrome (see also GWS) |
| PGS | Patterned Ground-Shield |
| PGS | Poole Grammar School (England) |
| PGS | Peninsula Geological Society |
| PGS | Product Generation System |
| PGS | Precision Gunnery System |
| PGS | Pair Gain Systems |
| PGS | Pretty Good Security |
| PGS | Parkstone Grammar School (England) |
| PGS | Primary Ground Station |
| PGS | Pettigrew Syndrome |
| PGS | Pressure Gradient Scaling |
| PGS | Productivity Gain Sharing |
| PGS | Personnel General Services |
| PGS | Primary Guidance Subsystem |
| PGS | Product Generating Suite |
| PGS | PLSS Ground Station |
| PGS | Project on Government Secrecy |
| PGS | Pate's Grammar School (Cheltenham, England) |
| PGS | Pulteney Grammar School (Adelaide, Australia) |
| PGS | Precision Guidance Set |
| PGS | Portable Gaming System |
| PGS | Potsdam Gravity System |
| PGS | Primary Grocery Shopper (market research) |