| Acronym | Definition |
|---|
| RSS | Really Simple Syndication |
| RSS | RDF Site Summary |
| RSS | Rich Site Summary |
| RSS | National News Agency (Nepal) |
| RSS | Royal Statistical Society (Jordan) |
| RSS | Regional Spatial Strategy (UK) |
| RSS | Received Signal Strength (wireless communication) |
| RSS | Rashtriya Swayamsevak Sangh (India; National Volunteer Corps) |
| RSS | receive-side scaling |
| RSS | Rumplestiltskin |
| RSS | Resident Set Size (*nix command) |
| RSS | Reduced Space Symbology |
| RSS | Riverside Secondary School |
| RSS | Radio Science Subsystem |
| RSS | Rec.sport.soccer (newsgroup) |
| RSS | Research Support Services (Vanderbilt Medical Center) |
| RSS | Rotating Service Structure |
| RSS | Retail Store Solutions (IBM) |
| RSS | Réseau Santé Social |
| RSS | Rudolf-Steiner-Schule (German: Waldorf School) |
| RSS | Remote Storage Service |
| RSS | Root Sum Square |
| RSS | Recombination Signal Sequence |
| RSS | Radio Service Software |
| RSS | Remote Surveillance System (Tom Clancy) |
| RSS | Rotary Steerable System (oil field) |
| RSS | Rashtriya Sanskrit Sansthan (Sanskrit learning foundation; India) |
| RSS | Regimental Support Squadron |
| RSS | Resource Sharing System (libraries) |
| RSS | Roland Sound Space (Roland Music) |
| RSS | Relay Spam Stopper |
| RSS | Rescue Swimmer School (Navy and Marine Corps) |
| RSS | Radio Standards Specifications (Canada) |
| RSS | Ranked Set Sampling |
| RSS | Reactor Safety Study |
| RSS | Radio Security Service (UK) |
| RSS | Repetitive Strain Syndrome |
| RSS | Résumé de Sortie Standardisé |
| RSS | Remote Sensor System (US Army; aka REMBASS) |
| RSS | Remote Sensing Service |
| RSS | Radial Shaft Seal |
| RSS | Rockdale, Sandow, and Southern (railroad) |
| RSS | Resource Description Framework (RDF) Site Summary (lightweight XML format) |
| RSS | Recruiting Substation |
| RSS | Radar Signal Simulator |
| RSS | Rigid Spine Syndrome |
| RSS | Radio Sub System |
| RSS | Regional Surveillance System (VSS) |
| RSS | Routing Subsystem |
| RSS | Reusable Space Systems (Boeing) |
| RSS | Rough Surface Scattering |
| RSS | Regional Supply Squadron |
| RSS | Radar Secret Service (band) |
| RSS | Remoting Subsystem |
| RSS | Republic of Singapore Ship |
| RSS | Robert Stobie Spectrograph (Southern African Large Telescope) |
| RSS | Root of Sum of Squares |
| RSS | Redundant System Slot |
| RSS | Receipt, Store and Stage (bioterrorism response) |
| RSS | Remote Subscriber Stage (Sonera) |
| RSS | Rosette Scan Seeker |
| RSS | Radar Support System |
| RSS | Russell-Silver Syndrome, X-Linked (Partington syndrome) |
| RSS | Remote Service System |
| RSS | Railway Signalling System |
| RSS | Reactor Shutdown System |
| RSS | Rail Surveillance Service (railroads) |
| RSS | Residential Support Services Inc. |
| RSS | Rail Security Service |
| RSS | Ritscher-Schinzel Syndrome |
| RSS | Retek Store Systems |
| RSS | Resident Site Supervisor |
| RSS | RuneScape Signatures (gaming) |
| RSS | Ring Segment System |
| RSS | Robina State School (Gold Coast, Australia) |
| RSS | Requisitions Self Service |
| RSS | Remote Switching Sites (Bellcore) |
| RSS | Remote Satellite Simulation |
| RSS | Ready Service Spare |
| RSS | Ready Supply Store |
| RSS | Remote Slave Station |
| RSS | Resources Status Review |
| RSS | Real Stream System |
| RSS | Residential Subscriber System |
| RSS | Range Safety Simulation |
| RSS | Radiation Shielding Suit (gaming) |
| RSS | Regiae Societatis Sodalis (Fellow of the Royal Society) |
| RSS | Range & Synchronization Subsystem |
| RSS | Radiodetermination Satellite System |
| RSS | Replacement Service System |
| RSS | Remote Switch Subsystem |
| RSS | Regional Switch Surveillance (Sprint) |
| RSS | Requirement Spread Sheet |
| RSS | Remote Subscriber Service |
| RSS | Remote Supervisory Station |
| RSS | Request for Supplies and Services |
| RSS | Recall Sensor/Store System |
| RSS | Remote Station Scanner (Alcatel) |
| RSS | Roaming Service Setup |
| RSS | Remote Site Subsystem/System |
| RSS | Remote Safing Switch |
| RSS | Russell Stover Samplers |
| RSS | Recording and Streaming Server (video conferencing) |
| RSS | Repubbliche Socialiste Sovietiche (Italian: Soviet Socialist Republics) |
| RSS | Redside Shiner (fish) |