| Acronym | Definition |
|---|
| RGS➣Royal Geographical Society |
| RGS➣Rio Grande do Sul (Brazilian State) |
| RGS➣Rio Grande Southern (railroad) |
| RGS➣Royal Grammar School (UK) |
| RGS➣Royal Grammar School (England) |
| RGS➣Research and Graduate Studies (various schools) |
| RGS➣Remote Graphics Software (high-performance remote desktop connection protocol) |
| RGS➣Regulators of G Protein Signaling |
| RGS➣Rockhampton Grammar School (Australia) |
| RGS➣Reflection Grating Spectrometer |
| RGS➣Raffles Girls' School (Singapore) |
| RGS➣Remote Gaming Server (various companies) |
| RGS➣Référentiel Général de Sécurité (French: General Repository Security) |
| RGS➣Regional Geochemical Survey (Canada) |
| RGS➣Religious of the Good Shepherd (religious order) |
| RGS➣Remote Guardian System (defensive system) |
| RGS➣Rieger Syndrome |
| RGS➣Rigid Galvanized Steel |
| RGS➣Random Good Stuff |
| RGS➣Remote Ground Station |
| RGS➣Requirements Generation System |
| RGS➣Royal Gay Society (UK) |
| RGS➣Regional Gliding School |
| RGS➣Register Guidance System (QuadTech) |
| RGS➣Red Green Show (TV comedy) |
| RGS➣Relay Ground Stations |
| RGS➣Remote Ground Sensor |
| RGS➣Range Gate Stealer |
| RGS➣Receiving Ground Station |
| RGS➣Report Generating Software (IRS) |
| RGS➣Rate Gyro System |
| RGS➣Range Gate Stealing |
| RGS➣Retained Gas Sampler |
| RGS➣Russian Ground Segment |
| RGS➣Reading Group Specialist code |
| RGS➣Resource Generation System |
| RGS➣Restructured General Support |
| RGS➣Réseau Genre et Sexualité (French: Gender and Sexuality Network) |
| RGS➣Rugeley Grammar School (UK) |