| Abbreviation | Definition |
|---|---|
| LSA | Lone Scouts of America |
| LTSR | Lone Tree Scout Reservation |
| LWGS | Live Wyre Gang Show |
| MAC | Missions Adventure Camp |
| MAGIC | Midlands Area Guide International Camp |
| MBC | Monkey Business Camp |
| MBHI | Migratory Bird Habitat Initiative |
| MBHR | Migratory Birds Hunting Regulations |
| MBU | Merit Badge University |
| MISF | My Infamous Scout Friend |
| MLDC | Marcus Lewis Day Camp |
| MLSB | Major League Scouting Bureau |
| MMNC | Millbrook Marsh Nature Center |
| MMSR | Medicine Mountain Scout Ranch |
| MOVIS | Management Of Volunteers In Scouting |
| MSG | Mangotsfield Scout Group |
| MSL | Metro Scout League |
| MSSR | Marine Scout Sniper Rifle |
| MTMB | Madison Tam Memorial Benefit |
| MWSG | Montreal West Scout Group |