| Abbreviation | Definition |
|---|---|
| LKAS | Lane Keeping Assist System |
| LLB | Left Lane Bandit |
| LLKR | Lessons Learned Knowledge Resource (US Federal Highway Administration) |
| LLRV | Lunar Landing Research Vehicle |
| LLTB | Lewisville Lake Toll Bridge |
| LLTV | Llrvlunar Landing Training Vehicle |
| LLTV | Lunar Landing Training Vehicle |
| LLTV | Lunar Landing Training Vehicles |
| LLTV | Lunar Landung Training Vehicle |
| LLV | Lockheed Launch Vehicle |
| LLV | Long Life Vehicle |
| LLV | Long Life Vehicles |
| LLV | Long Live Vehicle |
| LLWAS | Low Level Wind Shear Alert System |
| LM | Leewood Motorclub |
| LM | Left Motor |
| LMC | Low Motion Class |
| LMP | Last Mile Provider |
| LMP | Le Mans Prototype |
| LMPT | Logan Mason Public Transportation |