| Acronym | Definition |
|---|
| FSSG➣Force Service Support Group (USMC) |
| FSSG➣Fire Suppression Systems Group (Pawtucket, RI) |
| FSSG➣Fleet Service Support Group |
| FSSG➣Forward Service Support Group |
| FSSG➣Family Soldier Support Group |
| FSSG➣Focal Segmental Sclerosing Glomerulopathy |
| FSSG➣Fire Selector System - Glock |