LB
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| LB | Large Bowel | - | Medical(slang) |
| LB | Launch Boost | - | Organizations |
| LB | Launch Bus | - | Organizations |
| LB | Load Bank | - | Organizations |
| LB | Low Bay | - | Organizations |
| LB | Lower Brace | - | Organizations |
| LB | Pound | - | Organizations |
| LB | Lebanon (ISO 3166 Digram) | - | Astronomy |
| LB | Pound (Latin Librum) - Luxembourgish Language (ISO 639-1 Code) | - | Astronomy |