| Abbreviation | Definition |
|---|---|
| LITS | Line In The Sand |
| LIU | LAN (Local Area Network) Interface Unit |
| LIWA | Land Information Warfare Activity |
| LJ | Light Jeep |
| LJ | Little John rocket |
| LK | Last Knight |
| LKC | Logistics Knowledge Center |
| LKG | Loop Key Generator |
| LKP | Last Known Position |
| LL | Laser Lock |
| LL | Lessons Learned |
| LLAB | Leadership Laboratory |
| LLADI | Low Level Air Defense Interface |
| LLAPI | Low Level Air Picture Interface |
| LLB | Lots of Little Bullets |
| LLC | Limited Liability Corporation |
| LLC | Logical Link Control |
| LLCSC | Lower Level Computer Software Component |
| LLD | Laser Locator Designator |
| LLD | Launcher Load Dolly |