| Acronym | Definition |
|---|
| SGS | Société Generale de Surveillance (Switzerland) |
| SGS | Société Générale de Surveillance |
| SGS | School of Graduate Studies |
| SGS | Système de Gestion de la Sécurité (French: System Security Management; Transport Canada) |
| SGS | Symantec Gateway Security (appliance) |
| SGS | Singapore Government Securities |
| SGS | Subgrid Scale |
| SGS | Shell Global Solutions |
| SGS | Sulforaphane Glucosinolate (antioxidant) |
| SGS | Southern Graphic Systems |
| SGS | Saudi Geological Survey |
| SGS | Secretary of the General Staff |
| SGS | Space Gateway Support |
| SGS | Saradomin Godsword (Runescape game) |
| SGS | Saskatchewan Genealogical Society (Canada) |
| SGS | State Geological Survey |
| SGS | Satellite Ground Station |
| SGS | SAS Ground Service (Scandinavian Air System subsidiary) |
| SGS | Shipboard Gridlock System |
| SGS | Svalbard Ground Station |
| SGS | Sun Game Server |
| SGS | Sutton Grammar School (UK) |
| SGS | Short Gut Syndrome |
| SGS | Segmented Gamma Scanner |
| SGS | Secretary to the General Staff (Army) |
| SGS | Sainte Geneviève Sports (France) |
| SGS | Stockport Grammar School (United Kingdom) |
| SGS | Slough Grammar School |
| SGS | South Georgia and the Islands (ISO Country code) |
| SGS | Shprintzen-Goldberg Craniosynostosis Syndrome |
| SGS | Shun Goku Satsu (Instant Hell Murder/Raging Demon) |
| SGS | Software Generation System |
| SGS | Sampson G. Smith Intermediate School (Somerset, NJ, USA) |
| SGS | Sport Grupo Sacavenense (Soccer club; Sacavém, Portugal) |
| SGS | Second Gear Start |
| SGS | Smoke Generator Set |
| SGS | Steam Generator System |
| SGS | Schinzel-Giedion Midface-Retraction Syndrome |
| SGS | Space Gateway Services |
| SGS | Stretch Glass Society |
| SGS | Squadron Ground Station |
| SGS | Scenario Generation Server |
| SGS | Solid Ground Shield |
| SGS | Safeguarding System |
| SGS | St Gilbert School (Grayslake, Il, USA) |
| SGS | Ship Ground Station |
| SGS | Signode Corporation (NYSE Symbol) |
| SGS | Stained Glass Studios |
| SGS | Satellite Ground Segment |
| SGS | Strategic Guidance Statement |
| SGS | Symbol Generation and Storage |
| SGS | Special Galvanized Steel |
| SGS | Stablized Glide Slope |
| SGS | Smoke Generation System |
| SGS | Short-Grass Stepp |
| SGS | Society of the Golden Sword (VFMAC giving award) |
| SGS | Sentencing Guideline Specialist (US probation) |
| SGS | Sensor Ground Station |
| SGS | Statistics Gathering System |
| SGS | Swiveling Gunner's Station |
| SGS | Short Guard Sequence |
| SGS | South Saint Paul Municipal Airport, Minnesota (Aviation, ICAO, Airport code) |
| SGS | Secondary Ground Station |
| SGS | Scottish Golf Society |
| SGS | Senator Gershaw School (Canada) |
| SGS | Specialized Geriatric Services (Canada) |
| SGS | Shared Governance System (various schools) |
| SGS | School of Global Studies (various locations) |
| SGS | Sutherland Generating Station (coal plant; Alliant Energy; Iowa) |