| SSGL | Senior Small Group Leader (US Army) 
| Others |
| SSGL | Small Starch Granule-Like Structure
| Others |
| SSGL | Stichting Samenwerkende Gezondheidscentra Lelystad (Dutch: Foundation for Collaborative Health Care Lelystad; Lelystad, Netherlands)
| Others |
| SSGL | Studies in Slavic and General Linguistics
| Others |