| Abbreviation | Definition |
|---|---|
| TDFI | Tennessee Department of Financial Institutions |
| TDG | Tennessee Division of Geology |
| TDH | Texas Department of Health |
| TDL | Texas Driver License |
| TDLP | Traffic Data Linkage Project |
| TDLR | Texas Department Licensing and Regulation |
| TDO | Taxpayer District Office |
| TDPS | Texas Department of Public Safety |
| TDSP | Transportation Disadvantaged Service Plan |
| TEA | Texas Education Agency |
| TEAM | Technology Enhancing the Atlanta Metropolitan area |
| TEAMS | Tax Exemption Administrative Management System |
| TEAP | Technology and Economic Assessment Panel |
| TEB | Texas Emergency Bulletin |
| TEH | Tehachapi, California |
| TEMHA | Transitional Emergency, Medical, and Housing Assistance |
| TENA | Tennessee Emergency Number Association |
| TENN | Tennessee |
| TEOA | Texas Educational Opportunity Act |
| TEOS | Traffic Engineering and Operations Section |