STSA
| Acronym | Definition |
|---|---|
| STSA | Something to Shout About |
| STSA | Stilt Sandpiper (bird species) |
| STSA | Southern Thoracic Surgical Association (Chicago, IL) |
| STSA | Selective Trigger Scan Architecture |
| STSA | Short-time Spectral Amplitude |
| STSA | Seaman Apprentice, Sonar Technician Striker (Naval Rating) |
| STSA | Socio-Technical Systems Approach (workplace interaction) |