| Abbreviation | Definition |
|---|---|
| LeGAMSTAT | Le Groupement AéroMobilité de la Section Technique de l'Armeé de Terre |
| LEGO | Lethally Edged Gouging Object |
| LEL | Lower Explosive Limit |
| LEM | Life Extension Mix |
| LEM | Light Easy Mobile |
| LEM | Light Equipment Maintenance |
| LEMCO | Light Equipment Maintenance Company |
| LEMP | Limited Electro Magnetic Pulse |
| LEN | Large Extension Node |
| LEN | Large Extension Node (MSE) |
| LENS | Large Extension Node Switch |
| LENS | Laser Engineered Net Shaping |
| LEO | Law Enforcement Operations |
| LEO | Leadership Experience And Opportunity |
| LEO | Leadership Experience Opportunity |
| LEO | Leadership, Experience, and Opportunity |
| LEO | Low Earth Orbit |
| LEP | Laser Eye Protection |
| LEP | Linear Error Probable |
| LEQ | Leadership Effectiveness Quotient |