| Abbreviation | Definition |
|---|---|
| LE2 | Lethal Explosive 2 |
| LEA | Logistics Evaluation Agency |
| LEAD | Leadership Environment Adventure Development |
| LEAD | Leadership, Education, And Development |
| LEAP | Leadership Effectiveness Attribute Profile |
| LEAP | Light ExoAtmospheric Projectile |
| LEAP | Lightweight Exo-Atmospheric Projectile |
| LEASAT | Leased Satellite |
| LEAU | Law Enforcement Assistance Unit (FAA) |
| LEC | Local Emergency Controls |
| LEC2BOS | Lower Echelon Command and Control Battlefield Operating System |
| LECIC | Law Enforcement and Counterintelligence Center (DOD) |
| LED | Law Enforcement Desk |
| LED | Light Emitting Diode |
| LEDA | Light, Easily Deployable by Air |
| LEDET | Law Enforcement Detachment |
| LEED®-H | Leadership in Energy and Environmental Design, Homes |
| LEED®-NC | Leadership in Energy and Environmental Design, New Construction |
| LEED®-ND | Leadership in Energy and Environmental Design, Neighborhood Design |
| LEG | Leading Edge Gate |