| Abbreviation | Definition |
|---|---|
| LBL | Little By Little |
| LBR | Laser Beam Rider |
| LBR | Low Bit Rate |
| LBRG | Laser Beamrider Guidance |
| LBT | Lead Bullet Technologies |
| LC | Lake Current |
| LC | Landing Craft |
| LC | Legal Counsel |
| LC | Line of Contact |
| LC | Location Code |
| LC | Logistics Chain |
| LC | Lost Cause |
| LC | Loud and Clear |
| LC | Low Cost |
| LC9 | Lightweight Compact 9mm |
| LCA | Life Cycle Analysis |
| LCA | Life Cycle Assessment |
| LCA | Light Combat Aircraft |
| LCA | Logistics Control Activity |
| LCAC | Landing Craft Air Cushion |