| Abbreviation | Definition |
|---|---|
| LEC | Levelized Electricity Costs |
| LEGF | Leg Display Flesh Tone |
| LEGO | Long Erectable Grouping Object |
| LEI | Light Electrical Item |
| LEM | Liquid Elastomeric Moulding |
| LES | Loadable Ejection System |
| LEWP | Liberty Engineered Wire Products |
| LF | Luthite Finish |
| LFAK | Laughter First Aid Kit |
| LFL | Lower Flammability Limit |
| LFM | Lead Free Manufacturing |
| LFM | Limited Fine Mesh |
| LFX | Lithium Ferrous Xtreme-Rate |
| LG | Large Gearbox |
| LG | Leader Goldstar |
| LG | Level Gauge |
| LG | Life Good |
| LG | Linkage Group |
| LG | Low Grade |
| LGR | Low Grain Refrigerant |