| Abbreviation | Definition |
|---|---|
| SRPA | Senior Real Property Appraiser |
| SRT | Surf Rescue Technician |
| SRT | Swiftwater Rescue Technician |
| SRW | System Requirement Wizard |
| SS | Sleazy Sister |
| SS | Sprocket Specialist |
| SS | Staff Secretary |
| SSA | Supervisory Special Agent |
| SSBB | Six Sigma Black Belt |
| SSCP | System Security Certified Practitioner |
| SSDE | Senior Software Development Engineer |
| SSE | Senior Selection Engineer |
| SSE | Senior Software Engineer |
| SSE | Senior Systems Engineer |
| SSHO | Site Safety and Health Officer |
| SSI | Social Security Income |
| SSI | Superior Support Individual |
| SSI | Supplemental Security Income |
| SSM | Senior Support Manager |
| SSO | School Service Officer |