| Acronym | Definition |
|---|
| SSAT | Specialist Schools and Academies Trust (UK) |
| SSAT | Society for Surgery of the Alimentary Tract |
| SSAT | Social Security Appeals Tribunal |
| SSAT | Secondary School Admissions Test |
| SSAT | Spermidine/Spermine N(1)-Acetyltransferase |
| SSAT | Shuttle Service and Access Tower (US NASA) |
| SSAT | Space Shuttle Access Tower (US NASA) |
| SSAT | Supersonic Air Tool (urban forestry) |
| SSAT | Subsonic Subscale Aerial Target |
| SSAT | Steady-State Advanced Tokamak (fusion reactor) |
| SSAT | Space Station Assembly Technology |
| SSAT | S-Band Signal Access Transmitter |
| SSAT | Smart Skins Antenna Technology |
| SSAT | System Segment Acceptance Test |
| SSAT | System Software Acceptance Test |
| SSAT | Switch System Acceptance and Turnover (Sprint) |