| Abbreviation | Definition |
|---|---|
| TLO | Task-Level Organization |
| TLQ | Total Living Quotient |
| TLQ | Transformational Leadership Questionnaire |
| TLTP | too late to process |
| TM | Technical Memo |
| TMA | Too Many Acronyms |
| TMA | Trails Maintenance Assessment |
| TMAP | Trilateral Monitoring and Assessment Program |
| TMI | Tedious Middleman Jargon |
| TMK | TradeMarK |
| TMS | Transportation Management System |
| TMT | Tentative Minimum Tax |
| TMT | Tyendinaga Mohawk Territory |
| TN | Tennessee |
| TN | Treasury Note |
| TN | Treaty Nation |
| TN | True Nafta |
| TNC | The New Constitution |
| TNF | Targhee National Forest |
| TNIP | Tribal Nations Insurance Program |