| Abbreviation | Definition |
|---|---|
| TSRTC | Telangana State Road Transport Corporation |
| TSS | Track Suspension System |
| TSS | Train Service Supervisor |
| TSS | Transportation Sensor System |
| TSS | Triple Screw Steam |
| TSS | Twin Screw Ship |
| TSS | Twin Screw Steamer |
| TSSC | Transportation Safety Systems Center |
| TSSM | Transportation System Simulation Manual |
| TSSP | Transportation Sector Specific Plan |
| TSSWG | Transportation Sensor Systems Working Group |
| TST | Transportation System Technician |
| TST | Two Seat Tourer |
| TSTC | Transportation Safety Training Center |
| TSTC | Tri State Transportation Campaign |
| TSTC | Tri-State Transportation Campaign |
| TSTE | Transportation and Space Time Economics |
| TSTS | Transportation Safety and Technology Science |
| TSTS | TVM Signalling and Transportation Systems |
| TSU | Tulsa-Sapulpa Union Railway Company |