| Acronym | Definition |
|---|
| SG | Singapore |
| SG | Stargate (TV show) |
| SG | Shooting Guard (basketball) |
| SG | Secretary-General |
| SG | Support Group |
| SG | Senegal |
| SG | Sports Guy (Bill Simmons column; ESPN) |
| SG | Study Groups |
| SG | Student Government |
| SG | Study Guide |
| SG | Specific Gravity |
| SG | Surgeon |
| SG | Security Guard |
| SG | Still Going (gaming clan) |
| SG | Sub-Group |
| SG | Seagate (Scotts Valley, CA) |
| SG | Société Générale (French Corporate, Investment and Retail Bank) |
| SG | Sounds Good |
| SG | Special Guest |
| SG | Sexy Ginger |
| SG | Say Goodbye |
| SG | Shotgun |
| SG | Saigon |
| SG | Servicios Generales (Spanish: General Services) |
| SG | Sea Grant |
| SG | Sight Glass |
| SG | Sehr Gut (German: Very Good) |
| SG | Southern Gospel |
| SG | Surgeon General |
| SG | Stevenage (postcode, United Kingdom) |
| SG | Spice Girls (gaming clan) |
| SG | Spice Girls (band) |
| SG | Solingen |
| SG | Sega Genesis |
| SG | Safeguards |
| SG | Seth Green (actor) |
| SG | Suicidegirls (website) |
| SG | Solicitor General |
| SG | Signaling Gateway (IETF) |
| SG | Signal Ground |
| SG | Steam Generator |
| SG | Standard Grade (various companies) |
| SG | Shattered Galaxy (game) |
| SG | Standard Gauge (railroads) |
| SG | Soundgarden (band) |
| SG | Supergroup |
| SG | Supporters Group |
| SG | Student Guide |
| SG | Sankt Gallen (canton postcode, Switzerland) |
| SG | Savage Garden (band) |
| SG | Solid Gold |
| SG | Security Group (GSM Association) |
| SG | Savage Genius (Japanese band) |
| SG | Safety Glass |
| SG | Scum Gang (band) |
| SG | Selena Gomez (actress) |
| SG | Space Group |
| SG | Saibu Gas (Japan) |
| SG | Specific Group |
| SG | Society of Geenalogists (UK) |
| SG | Silver-Grey |
| SG | Seaborgium (element 106) |
| SG | Some Girls (Rolling Stones album) |
| SG | Switchgrass (botany) |
| SG | Superannuation Guarantee (Australian finance) |
| SG | Safety Guide |
| SG | Sentry Gun (TFC game slang) |
| SG | Scots Guards (British Regiment) |
| SG | Saint Gall (Swiss Canton) |
| SG | Stop-Go |
| SG | Self-Guided |
| SG | General Secretariat |
| SG | Sacred Geometry |
| SG | Security Guide |
| SG | Stewie Griffin (Family Guy character) |
| SG | Smoke Grenade |
| SG | Stabsgefreiter (German military rank) |
| SG | Surface Search Radar (US Navy) |
| SG | Skin Graft |
| SG | Specific Goal (Capability Maturity Model Integration) |
| SG | Static Gradient (oil exploration) |
| SG | Service Grid (distributed computing) |
| SG | Solid-body Guitar |
| SG | Soylent Green |
| SG | State Gazette |
| SG | Superglide (Shimano ramped and pinned chain rings) |
| SG | Strain Gage |
| SG | Suriname Guilder (national currency) |
| SG | Secretaris-Generaal |
| SG | Santa Gertrudis (cattle breed) |
| SG | Sabado Gigante (Big Saturday; TV show, Univision) |
| SG | Spark Gap (voltage control device) |
| SG | Spyro Gyra (band) |
| SG | Schmalenbach-Gesellschaft (German financial institute) |
| SG | Swan-Ganz Catheter |
| SG | Snow Grains (weather reports) |
| SG | Qualified in Submarines (US Navy) |
| SG | Silly Goose |
| SG | Symbol Generator |
| SG | Stochastic Gradient |
| SG | Senior Grade |
| SG | Stanley Gibbons Catalogue (philatelic catalog) |
| SG | Sanaag (postal region, Somalia) |
| SG | Segment Group |
| SG | Supergrid (protocol) |
| SG | Super Gals (shoujo anime) |
| SG | Social Gender |
| SG | State Grid Corporation of China |
| SG | Salary Group |
| SG | Supervivencia Global (Spanish: Overall Survival) |
| SG | Shirkat Gah (Urdu: Place of Participation; Pakistan) |
| SG | Silent Generation |
| SG | Solid Gear (game) |
| SG | Sehr Geehrte/r (German: Dear; salutation) |
| SG | Space Godzilla (advanced kayak roll) |
| SG | Share Globally |
| SG | Stain Grade (building supplies) |
| SG | Starter Group |
| SG | Sand Giant (Everquest) |
| SG | Saint Gabriel's College (Bangkok, Thailand) |
| SG | Siren's Grotto (Everquest, gaming) |
| SG | Storm Gaming (website) |
| SG | Group Suppression (aviation) |
| SG | Sortie Generation |
| SG | Shattered Galaxies (game) |
| SG | Brothers of Saint Gabriel (religious order) |
| SG | Stadtkapelle Germering (Germering, Germany) |
| SG | Stripper Gatherer |
| SG | Synchronizing Generator (video engineering) |
| SG | Spalding Guide (baseball) |
| SG | Sponsors Group for the Global Observing Systems |
| SG | Show of Gas (drililng reports) |
| SG | South Georgia Railway Company |
| SG | Serum Globin (medicine) |
| SG | Sheridan-Gardner Visual Acuity Test |
| SG | Skinners Guild (gaming forum) |
| SG | Snögrafx |
| SG | Sanspareils Greenland (Sports Pvt Ltd) |