GLSS
| Acronym | Definition |
|---|---|
| GLSS | Ghana Living Standards Survey |
| GLSS | Glabellar Line Severity Score |
| GLSS | Great Lakes Singlehanded Society (St. Clair Shores, MI) |
| GLSS | Geneva Lake Sailing School (Fontana, WI) |
| GLSS | Global Litigation Support Services |
| GLSS | Ground Launch Support System |