TSOS
| Acronym | Definition |
|---|---|
| TSOS | The Sounds of Silence |
| TSOS | Time Sharing Operating System |
| TSOS | Time-Sharing Operating System |
| TSOS | Texas Society of Sculptors (Austin, TX) |
| TSOS | Traffic Signal Operations Specialist (certification by the Transportation Professional Certification Board, Inc.) |
| TSOS | The Sea of Storms (role-playing game) |