| Acronym | Definition |
|---|
| TSAT | Transformational Satellite |
| TSAT | T-Carrier Small Aperture Terminal |
| TSAT | Transferrin Saturation |
| TSAT | Saturation Temperature |
| TSAT | Target Start-Up Approval Time (air traffic control) |
| TSAT | T-1 Rate Small Aperture Terminal |
| TSAT | Tactical-Situation-Assessment Technology |
| TSAT | Technical Skills & Aptitude Toolbox (The Training Solutions Group, Inc., and the Alliance for Employee Growth and Development, Inc.) |
| TSAT | Telemetry and Data Transfer via Satellite (Norwegian wireless system provider) |
| TSAT | The Sick and Tired (gaming group) |