| Abbreviation | Definition |
|---|---|
| TS | Transaction Systems |
| TS | Transport Stream |
| TSA | Target Service Agent |
| TSA | Time Stamping Authority |
| TSAC | Terminal Services Advanced Client |
| TSCS | Testing Structured Cabling Systems |
| TSD | Tclass Stream Data |
| TSD | Time Stamp Disable |
| TSD | Time Streaming Device |
| TSDN | Transport Software Defined Networking |
| TSE | Terminal Server Edition |
| TSF | Timing Synchronization Function |
| TSL | Transport Layer Security |
| TSM | Terminal State Management |
| TSN | Time Sensitive Networking |
| TSO | Time Sharing Option |
| TSP | Tunnel Setup Protocol |
| TSR | Terminal Sender Router |
| TSR | Tip Speed Ratio |
| TSSWG | Transportation Sensor Systems Working Group |