RSG
RSG is an abbreviation for:
- Radical democratic student groups
- Radio RSG , local radio station for Remscheid and Solingen
- Cycling community
- Rainer Schaller Global Group , a fitness and lifestyle company
- Ready Steady Go , a British music program
- redspotgames , a video game publisher
- Regensburg writers' group
- Régional Saignelégier – Glovelier , a former railway company in Switzerland
- Reichsbahnspielgemeinschaft , a form of war syndicate during the Second World War
- Irritant sprayer
- Residential Gateway
- Rheinische Schuckert Society for electrical industry AG , a former electrical company, see Rheinelektra
- Rhythmic sports gymnastics
- Robert Schuman High School (Saarlouis)
- Red supergiant (ger .: red supergiant ), a star class
- Rudi-Stephan-Gymnasium
- Belt starter generator , an electrical machine
