| Acronym | Definition |
|---|
| RSSI | Received Signal Strength Indicator |
| RSSI | Received Signal Strength Indication |
| RSSI | Russian Space Science Internet |
| RSSI | Railway Systems Suppliers, Inc. |
| RSSI | Responsable Sécurité des Systèmes d'Information (French: Head of Information Systems Security) |
| RSSI | Received Signal Strength Intensity |
| RSSI | Required Supplemental Stewardship Information (US Army) |
| RSSI | Receiving Signal Strength Indication |
| RSSI | Robotic Security Systems, Inc. (Panama City, FL) |
| RSSI | Receipt, Stowage, Segregation and Issue |
| RSSI | Rough Sea Surface Influence |
| RSSI | Residual Signal-Strength Indicator (communication circuits) |