| Abbreviation | Definition |
|---|---|
| LSV | Latest Software Vision |
| LT | Load Test |
| LTAC | Lossless Transform Audio Coding |
| LTFS | Linear Tape File System |
| LTR | Long Terminal Repeats |
| LTS | Labelled Transition System |
| LTS | Logical Table Source |
| LTS | Lot Tracking System |
| LTSA | Learning Technology Systems Architecture |
| LTSE | Learn To Speak English |
| LTSP | Linux Terminal Services Project |
| LTT | Linux Trace Toolkit |
| LTU | License To Use |
| LTX | LSL To XYMask conversion software |
| LUC | Last User Context |
| LUCAS | Logwares Universal Commerce Application System |
| LUKS | Linux Unified Key Setup |
| LUM | License Use Management |
| LUM | Linux User Management |
| LUS | Lofar User Software |