| Acronym | Meaning |
| SASS | SAC Aircraft Security System |
| SASS | Safety Assurance System Summary |
| SASS | SEASAT-A Scatterometer System |
| SASS | Semi Automatic Sniper System |
| SASS | Shanghai Academy of Social Sciences (Shanghai, China) |
| SASS | Small Aerostat/Airship Surveillance System |
| SASS | Sonar Array Survey Subsystem |
| SASS | Source Analysis Sampling System |
| SASS | South African Secret Service |
| SASS | Special Aircraft Service Shop |
| SASS | Special Aircraft Service Store |
| SASS | Speciation Air Sampler System (US EPA) |
| SASS | Staff Action Summary Sheet |
| SASS | Standard Army Supply System |
| SASS | Standard Army Survivable Shelter |
| SASS | Standard Automated Sortie Scheduling System |
| SASS | State Accident Surveillance System (New York) |
| SASS | State Authorities Superannuation Scheme (Australia) |
| SASS | Streamlined Acquisition Strategy Summary (US Air Force contracting documentation) |
| SASS | Supplemental Aviation Spares Support |
| SASS | Support Arms Special Staff |
| SASS | Suspended Array Surveillance System |
| SASS | System Administration Security Server (trademark of Relyant Technologies, Inc.) |