SSGS
| Acronym | Definition |
|---|---|
| SSGS | Salton Sea Geothermal System |
| SSGS | Standardized Space Guidance System |
| SSGS | Special Student-Graduate Studies (Dalhousie University; Nova Scotia, Canada) |
| SSGS | Science Small Grants Scheme (est. 2003; Scotland, UK) |
| SSGS | Spacecraft Support Ground System |
| SSGS | Singapore Senior Golfers' Society |