| Abbreviation | Definition |
|---|---|
| SSA | The Social Security Administration |
| SSBG | Social Services Block Grant |
| SSCA | Static State Control Area |
| SSD | State Senate District |
| SSDA | Sector Skills Development Agency |
| SSDMF | Social Security Death Master File |
| SSDS | Strategic Sewage Disposal Scheme |
| SSI | Statewide Systemic Initiative |
| SSLC | State Supported Living Center |
| SSM | Sault Ste. Marie |
| SSP | Social Service Payment |
| SSP | State Supplementary Payment |
| SSP | State Surplus Property |
| SSPA | Social Services Purchasing Alliance |
| SSPD | Saratoga Springs Police Department |
| SSPDF | Secretaría de Seguridad Pública del Distrito Federal |
| SSPF | State Social Protection Fund |
| SSPH | State Support for Public Health |
| SSPH | System for Social Protection in Health |
| SSPI | First Shanghai Sewerage Project |