| Abbreviation | Definition |
|---|---|
| SRR | Sustainable Relief and Reconstruction |
| SRRWG | Syria Return and Reintegration Working Group |
| SRSG | Special Representative to the Secretary General (of the United Nations) |
| SS | Short Story |
| SSAFE | Safe and Secure Approaches in Field Environments |
| SSAFE | Safe and Secure Approaches to Field Environments |
| SSG | Support Services Group |
| SSG | Syria Steering Group |
| SSIRS | Safety and Security Incident Reporting System |
| SSP | State Social Protection |
| SSPR | Self-Service Password Reset |
| SSS | Security and Safety Service |
| SSUs | Small Shelter Units |
| SSV | Soft Skin Vehicle |
| STARGO | Strengthening Aquatic Resource Governance |
| StC | Steering Committee |
| STDM | Syria Team Decision Makers |
| STEP | Science Technology And Economic Progress |
| STEP | Striving To Experience Peace |
| STF | Systematic Transformation Facility |