| Abbreviation | Definition |
|---|---|
| LW | Land Warrior |
| LW | LeeWay |
| LW | Lethal Weapon |
| LW | Lift Wire |
| LW | Light Warning |
| LW | Light Weight |
| LW | Limited War |
| LWA | Lightly Wounded in Action |
| LWB | Long Wheel Base |
| LWCMS | LightWeight Company Mortar System |
| LWD | Light-Weight Designator |
| LWG | Lapps With Guns |
| LWG | Laser Vision Goggles |
| LWGM | Light Weight Gun Mount |
| LWIR | Long Wavelength Infra-Red |
| LWL | Light-Weight Launcher |
| LWLD | LightWeight Laser Designator |
| LWM | Low Water Mark |
| LWMA | Lyman Ward Military Academy |
| LWMG | Lightweight Machine Gun |