| TLD | Taft Live Discovery 
| Others |
| TLD | Tag Library Descriptor
| Others |
| TLD | Tag Library Descriptors
| Others |
| TLD | Tank Leak Detection
| Others |
| TLD | Tape Library Dlt
| Others |
| TLD | Targeted Lung Denervation
| Others |
| TLD | Tasty Little Dish
| Others |
| TLD | Temporary Link Devaluation
| Others |
| TLD | Tended Loving Doctor
| Others |
| TLD | Tenofovir Lamivudine and Dolutegravir
| Others |
| TLD | The Living Dead
| Others |
| TLD | Thermo-Luminescent Dosimeter
| Others |
| TLD | Thermoluminescent Dosimeter
| Others |
| TLD | ThermoLuminescent Dosimetry
| Others |
| TLD | Third Location Decompression
| Others |
| TLD | Third-location decompression
| Others |
| TLD | Tidal Locked Destination
| Others |
| TLD | Top Level Demonstration
| Others |
| TLD | Top Level Domain
| Internet |
| TLD | Top Level Domains
| Others |
| TLD | Top-Level Domain
| Others |
| TLD | Toxicidad Limitante de Dosis
| Others |
| TLD | Tracking Learning Detection
| Others |
| TLD | Transatlantic Legislators' Dialogue
| Others |
| TLD | Transportation Logistics and Distribution
| Others |
| TLD | Troy Lee Designs
| Others |
| TLD | Truck Light Diesel
| Others |
| TLD | Tuff Little Dude
| Others |
| TLD | Tuli Lodge, Botswana
| Others |