| Abbreviation | Definition |
|---|---|
| SSERC | Stanford Sleep Epidemiology Research Center |
| SSG | Surface Science Group |
| SSI | Strategic Studies Institute |
| SSID | Socio-Scientific Issue Discussions |
| SSID | Student Services Information Database |
| SSID | Student Services Information Desk |
| SSID | Student Social IDentifier |
| SSIT | Sri Siddartha Institute of Technology |
| SSIU | Schiller Stamford International University |
| SSIU | Service de Sant Inter Universitaire |
| SSIU | Stiftelsen Studentstaden I Uppsala |
| SSIU | Swarnim Startup & Innovation University |
| SSIU | Swarnim Startup and Innovation University |
| SSIU | Swarnim Startup Innovation University |
| SSL | Licentiate in Sacred Scripture [Lat.] |
| SSL | School of Social Sciences and Languages, VIT University |
| SSM | Student Solutions Manual |
| SSMD | Schulich school of Medicine and Dentistry |
| SSME | Service Science, Management, and Engineering |
| SSMP | Single Subject Matter Preparation |