| Abbreviation | Definition |
|---|---|
| LTSP | Linux Terminal Server Project |
| LU | Link Utilization |
| LU | Look Up |
| LUB | Logical Unit Block |
| LUCK | Laboring Under Correct Knowledge Standard |
| LUDS | Look Up Data System |
| LUG | Linux Users Group |
| LUGIP | Linux Users Group In Princeton |
| LUNA | Linux Users Of North Alabama |
| LUT | Look Up Table |
| LV | Load Vector |
| LVD | Local Verification Database |
| LVD | Low Voltage Drive |
| LVT | Light Valve Technology |
| LVTO | Low Visibility Take Off |
| LW | Line Work |
| LW | List Workspace |
| LXE | Lightguide eXpress Entry |
| LZ | Lempel Ziv |
| LZW | Lempel Ziv Welch |