| Abbreviation | Definition |
|---|---|
| LSMK | Latvijas Sporta Makškerešanas Klubs |
| LSMK | Latvijas Sporta Makšķerēšanas Klubs |
| LST | Losi Super Truck |
| LV | Large Variety |
| LV | Low Value |
| LVC | Leisure Vacation Club |
| LWG&G | Little Wise Guys and Gals |
| LWGM | Love Women, Get Money |
| MAAA | Model Aeronautical Association of Australia |
| MACC | Mid-Atlantic Coaster Club |
| MACE | Melbourne Atari Computer Enthusiasts |
| MACI | Model Aeronautics Council of Ireland |
| MAD | Motorcycle Adventure Destinations |
| MAD | Multi-Activity Day |
| MAGS | Music Activated Gaming System |
| MAMIL | Middle Age Men In Lycra |
| MARC | Model A Restorers Club |
| MBBA | Massachusetts Beach Buggy Association |
| MBMC | Mercedes Benz Modellauto Club |
| MC | Motorcycle Club |