| Abbreviation | Definition |
|---|---|
| TP | Travel Permit |
| TPA | Tampa International Airport |
| TPA | Terminal Performance Analysis |
| TPA | Total Pirate Awareness |
| TPAB | Transportation Performance Audit Board |
| TPAC | Transportation and Parking Advisory Committee |
| TPAG | Transportation Planning Advisory Group |
| TPAP | Transit Project Assessment Process |
| TPB | Transportation Planning Board |
| TPC | Transportation Policy Council |
| TPC | Transportation Projects Commission |
| TPC | Twin Piston Chamber |
| TPD | Transit-Proximate Development |
| TPD | Transportation Planning Division |
| TPE | Twin Professional Engine |
| TPEAC | Transportation Permit Efficiency and Accountability Committee (Washington) |
| TPEC | Transportation Policy and Economic Competitiveness |
| TPEG | Transport Protocol Experts Group |
| TPEG | Transportation Protocol Expert Group |
| TPER | Total Primary Energy Requirement |