| Abbreviation | Definition |
|---|---|
| TQN | Total Quality Nutcase |
| TQSE | Temporary Quarters Subsistence Expense |
| TQZ | Total Quality is Zero |
| TR | Tax Rate |
| TR | Tax Research |
| TR | Teddy Roosevelt |
| TRA | Taiwan Relationship Act |
| TRA | Timely Reminders Answer |
| TRA | Trade |
| TRA | Trade Replacement Act |
| TRA | Travel |
| TRED | Transcriptional Regulatory Element Database |
| TREND | Transparent Reporting of Evaluations with Nonrandomized Designs |
| trf | transfer/transferred |
| TRG | The Restaurant Government |
| TRGC | True Responsible Government Committee |
| TRH | Technical Requirements Hierarchy |
| TRI | Toxics Release Inventory |
| TRI | Trust Reliability And Integrity |
| TRIO | The Responsibility Is Ours |