| Abbreviation | Definition |
|---|---|
| SGA | Students Gargling Antifreeze |
| SGC | Sad Girls Club |
| SGG | Special Girls Group |
| SGG | Squingynauts Game Guide |
| SGS | Science Geek Syndrome |
| SGS | Silly German Sausage |
| SGS | Super Genius Soeharto |
| SGT | Sixth Gear Tapped |
| SH | Shaio's Hitmen |
| SH | She's Hot |
| SH | Sonic Heroes |
| SH | Sweet Heart |
| SHAKED | Super Hyper Addict Keeping Electronic Devices |
| SHARP | Skinheads Against Racial Prejudice |
| SHAVE | Southern Hair Attacks Virtually Everyone |
| SHH | Sonic HedgeHog |
| SHH | Superhero Hype |
| SHIIIT | Science Has an Interesting Introspective and Intelligent Tone |
| SHIT | Safety & Health Improvement Team |
| SHIT | Saving Hopeless Insects Today |