| Abbreviation | Definition |
|---|---|
| TNSTC | Tamil Nadu State Transport Corpartion |
| TNSTC | Tamil Nadu State Transport Corporation |
| TNT | Thomas Nationwide Transport |
| TNT | Thursday Night Thunder |
| TNVS | Transport Network Vehicle Service |
| TNVS | Transport Network Vehicle Services |
| TNVS | Transportation Network Vehicle Service |
| TO | Traffic Officer |
| TO | Traffic Officer (obselete) |
| TO | Transportation Office(r) |
| TO | Transportation Officer |
| TOA | Taxi Owners Association |
| TOB | Total On Board |
| TOC | Transportation Operations Center |
| TOC | Transportation Operators Committee |
| TOCC | Transportation Operations And Communication Center |
| TOD | Tickets On Departure |
| TOD | Time Of Delivery |
| TOD | Torque On Demand |
| TOD | Transit Oriented Development |