| Acronym | Definition |
|---|
| TDSS➣Timiskaming District Secondary School (New Liskeard, ON, Canada) |
| TDSS➣Tactical Decision Support System (formerly Contact Management System) |
| TDSS➣Television Data Systems Subcommittee |
| TDSS➣TRADOC Decision Support System |
| TDSS➣Time-Division Space Switch |
| TDSS➣Telemetry Data Signal Simulator |
| TDSS➣Training Devices, Simulators and Simulations |
| TDSS➣Technical Data Storage System |
| TDSS➣Traffic Data Studies System |
| TDSS➣Tactical Data Simulator System |
| TDSS➣Ten Dimension Super Symmetry |
| TDSS➣Theater Decision Support System |
| TDSS➣Technology, Development, and Support Services |
| TDSS➣Thermally-Dried Sewage Sludge |