English abbreviations from rsr to rst
- RSR (Required Supply Rate)
- RSRD (Radhabinod Society for Rural Development)
- RSRE (UK Royal Signals and Radar Establishment (1976–1991))
- RSRF (Rett Syndrome Research Foundation)
- RSRG (Reusable Software Research Group)
- RSS (Rosette Scanning Seeker)
- RSSA (Regional Supply Support Activity)
- RSSC (Regional Satellite Communications (SATCOM) Support Center)
- RSSC-LO (Regional Satellite Communications Support Center Liaison Officer)
- RSSI (Received Signal Strength Indicator)
- RSSIA (Regional Security Strategy Implementation Analysis)
- RSSSF (Rec.Sport.Soccer Statistics Foundation)
- RST (Reservoir Saturation Tool (Schlumberger) Log)