| Acronym | Definition |
|---|
| SSgA | State Street Global Advisors |
| SSgA | Saskatchewan Stock Growers Association (Canada) |
| SSgA | Steady State Genetic Algorithm |
| SSgA | System Support Gate Array |
| SSgA | Scottish Salmon Growers Association (UK) |
| SSgA | Sutherland Shire Golf Academy (Australia) |
| SSgA | Siberian State Geodesic Academy |
| SSgA | Sandhays Scale Gliding Association (UK) |
| SSgA | Spelman Student Government Association (Spelman College; Atlanta, GA) |
| SSgA | Singh Sabha Gurdwara of Austin (Texas) |
| SSgA | Shiawassee State Game Area (Michigan) |
| SSgA | Single Source Grant Award |
| SSgA | Southern Seniors Golf Association |
| SSgA | Sandhills Seniors Golf Association (Southern Pines, NC) |
| SSgA | South Shore Guidance Association (Massachusetts) |
| SSgA | Soka Student Government Association (Soka University of America) |
| SSgA | Sterling Silversmiths Guild of America |
| SSgA | Sheriff Support Group of Altadena (California) |