| Abbreviation | Definition |
|---|---|
| LVB | Latvijas Veterinararstu Biedriba |
| LVB | Latvijas Veterinrrstu Biedr+ba |
| LVB | Latvijas Veterinrrstu Biedrba |
| LVBS | Las Vegas Blues Society |
| LVIS | Ladies Village Improvement Society |
| LVRS | The Las Vegas Racing Society |
| LWAS | Leduc West Antique Society |
| LWBS | Lakeside Wooden Boat Society |
| LWHS | Lake Winnipesaukee Historical Society |
| LWMS | Leamington and Warwick Musical Society |
| LWPS | Leamington and Warwick Philatelic Society |
| LYQS | London Youlan Qin Society |
| LYRS | Lancashire and Yorkshire Railway Society |
| LZA | Latvian Academy of Sciences |
| LZA | Latvijas Zinat nu Akademija |
| MA | Mathematical Association |
| MAARS | Milwaukee Area Amateur Radio Society |
| MAC | Association Minéralogique du Canada |
| MAC | Association Minière du Canada |
| MAC | Association Minire du Canada |