| Acronym | Meaning |
| TASS | Tactical Air Support Section |
| TASS | Tactical Air Support Squadron |
| TASS | Tactical Air-To-Surface System |
| TASS | Tactical Armed Surveillance System |
| TASS | Tactical Automated Security System |
| TASS | Tactical Automated Switch System |
| TASS | Tactical Avionics System Simulator |
| TASS | Tactical Switching System |
| TASS | Talented Athlete Scholarship Scheme (UK) |
| TASS | Target Acquisition Sensor Suite |
| TASS | Technical Acquisition Support Services (USAF Space & Missile Systems Center) |
| TASS | Terminal Air Surveillance System |
| TASS | Terminal Area Simulation System |
| TASS | The Army School System (formerly Total Army School System) |
| TASS | The Army Study System |
| TASS | Threat Assessment Scheduling System |
| TASS | Total Army School System |
| TASS | Totally Agile Sensor Systems |
| TASS | Towed Array Surveillance System |
| TASS | Towed-Array Sensor/Sonar System |
| TASS | Tribunal des Affaires de Sécurité Sociale (French: Tribunal of Social Security Affairs; France) |
| TASS | Trusted Associate Sponsorship System (US DoD) |
| TASS | USAF Tactical Air Support Squadron |