| Abbreviation | Definition |
|---|---|
| LC | Loop Counter |
| LCE | Loop Counter Expired |
| LCM | Local Command Mode |
| LCP | Load Current Procedure |
| LCSA | Load Carrying Structure Assembly |
| LCV | Loop Control Variable |
| LD | List Designs |
| LD | List Directory |
| LDI | Load Data Immediate |
| LDREX | Load Register EXclusive |
| LDS | Load Pointer Using DS |
| LE | Less than or Equal |
| LE | Line Edit |
| LE | Little Endian |
| LEA | Load Effective Address |
| LEAVE | High Level Procedure Exit |
| LES | Load 32-bit pointer from memory source to destination register and ES (Extra Segment) register |
| LEVA | Lunar Extravehicular Visor Assembly |
| LF | Level Floating |
| LF | Link Full |