| Abbreviation | Definition |
|---|---|
| LBA | Large Block Architecture |
| LBL | Label |
| LBS | Load Before Startup |
| LC | Laser Cards |
| LC | Linux Computer |
| LC | Logic Chain |
| LCA | Life Cycle Architecture |
| LCF | Low Class Foundation |
| LCH | Luminosity Chroma And Hue |
| LCM | Language for Conceptual Modeling |
| LCM | Local Controller Module |
| LCMS | Linear Content Management System |
| LCPC | Languages and Compilers for Parallel Computing |
| LCS | Lotus Communication Server |
| LCUG | London Coherence User Group |
| LD | Local Device |
| LD | Logical Disk |
| LDAP | Lightweight Directory Access Protocol |
| LDD | List Dynamic Dependency |
| LDE | Local Data Entry |