| Acronym | Definition |
|---|
| RSSA➣Region Sub-Saharan Africa |
| RSSA➣Royal Society of South Africa |
| RSSA➣Radiological Society of South Africa |
| RSSA➣Royal Scottish Society of Arts |
| RSSA➣Regional Software Support Activity |
| RSSA➣Random Single Switch Algorithm |
| RSSA➣Radio Science Stability Analyzer |
| RSSA➣Regional Supply Support Activity |
| RSSA➣Really Simple Syndication-Audio |
| RSSA➣Rockwell Ship Systems Australia |