| Abbreviation | Definition |
|---|---|
| SSE | Sterile Speculum Exam |
| SSHF | Social Security Hospital Faisalabad, Pakistan |
| SSI | Sliding Scale Insulin |
| SSID | Service de Soins Infirmiers Domicile (French: Department of Nursing Homes) |
| SSP | Sub-regional Strategic Partnership |
| SSP | Surgical Safety Product |
| SSPH | South Sacramento Pet Hospital |
| SSPHA | Southern States Psychiatric Hospital Association |
| SSPHO | South Shore Physician Hospital Organization |
| SSRI | Specific Serotonin Reuptake Inhibitor |
| SSRWI | Safe Skilled Ready Workforce Initiative |
| SSRWI | Safe – Skilled – Ready Workforce Initiative |
| ST | ScleroTherapy |
| ST | STatus |
| STAH | Susquehanna Trail Animal Hospital |
| STAR | Supplemental Transport Ambulance Resource |
| STAR | Support, Therapeutic Activities, and Respite |
| STARS | Special Tatics And Rescue Service |
| START | Short Term Assurance And Recuperation Team |
| START | Simple Triage And Rapid Treatment |