| Acronym | Definition |
|---|
| LDT | Learning and Development Team (UK) |
| LDT | LaDainian Tomlinson (football player) |
| LDT | Local Descriptor Table |
| LDT | Linear Displacement Transducer (various companies) |
| LDT | Land Development Tax |
| LDT | Laboratory-Developed Test |
| LDT | Large Diameter Tapcon (concrete anchor) |
| LDT | Local Domain Table |
| LDT | Lightning Data Transport |
| LDT | Logic Design Tool |
| LDT | Linux Development Tools |
| LDT | Local Daylight Time |
| LDT | Lightning Data Transport (AMD replacement for PCI) |
| LDT | Light Duty Truck |
| LDT | Lower Division Transfer (various schools) |
| LDT | Left Defensive Tackle (pro football) |
| LDT | Laser Display Technology |
| LDT | Lowest Dose Tested |
| LDT | Laser Data Terminal |
| LDT | Large Dead Time (geophysics) |
| LDT | Light Displacement Ton |
| LDT | Location Determination Technologies (ViaVis Mobile Solutions, Inc.) |
| LDT | Logistics Delay Time |
| LDT | Laser Detector Tracker |
| LDT | Large Deviations Technique |
| LDT | Line Designation Table |
| LDT | Latero-Dorsal Tegmental Nucleus (cluster of nerve cells found in the pons of the brainstem) |
| LDT | Licensed Deposit Taker (UK) |
| LDT | Logistics Distribution Table |
| LDT | Last Dose Taken |