| Abbreviation | Definition |
|---|---|
| LA | Legal Adviser |
| LA | Life Assurance |
| LA | Line Amplifier |
| LA | Linux Army |
| LA | Loop Key Generator (LKG) Adapter |
| LAAD | Low-Altitude Air Defense |
| LAADS | Low Altitude Air Defense System |
| LAAFB | Los Angeles Air Force Base |
| LAAG | Light Anti-Aircraft Gun |
| LAAM | Light Anti-Aircraft Missile |
| LAAR | Light Armed Reconnaissance Aircraft |
| LAARNG | Louisiana Army National Guard |
| LAARNG | Louisiana Army Reserve National Guard |
| LAAT | Laser Augmented Airborne TOW |
| LAAWS | Legal Automation Army Wide System |
| LABS | Laser Airborne Bathymetry System |
| LAC | Leading Air Cadet |
| LAC | Leading Aircraftman |
| LAC | Leading AirCraftsman |
| LAC | Light Attack Craft |