| Acronym | Definition |
|---|
| JSSA➣Jewish Social Service Agency (various locations) |
| JSSA➣Japan Society for System Audits |
| JSSA➣Joint Services SERE Agency |
| JSSA➣Joint Service Small Arms |
| JSSA➣Joint Stealth Strike Aircraft |
| JSSA➣Japan Shop System Award |
| JSSA➣Joint Systems Support Agency |