| Acronym | Definition |
|---|
| RSSC | Radisson Seven Seas Cruises |
| RSSC | Regional School Support Center (New York state) |
| RSSC | Robotics Society of Southern California (Fullerton, CA) |
| RSSC | Regional Satellite Support Cell (US DoD) |
| RSSC | Respiratory Support and Sleep Centre (UK) |
| RSSC | Remote Sensing Support Coordinator (US FEMA) |
| RSSC | Regional Space Support Center |
| RSSC | Radar Sonar Surveillance Center |
| RSSC | Reductions of Social Security Contributions |
| RSSC | Regional Satellite Support Center |
| RSSC | Remote Sensing Science Council |
| RSSC | Real Estate Systems Support Center (USACE) |
| RSSC | Ready Services Spares Cabinet |
| RSSC | Regional SIGINT Support Center (NSA) |
| RSSC | Regional SATCOM (Satellite Communications) Support Center (US DoD) |