RGSC
| Acronym | Definition |
|---|---|
| RGSC | Rockstar Games Social Club (digital rights management) |
| RGSC | Rio Grande Sailing Club (Albuquerque, NM) |
| RGSC | Royal Ghent Swimming Club (Belgium) |
| RGSC | Really Good Software Company |
| RGSC | Research and Graduate Studies Committee (education) |
| RGSC | Registrar General's Social Classification (social science) |
| RGSC | Railway Group Standards Code (UK) |