| Abbreviation | Definition |
|---|---|
| LLBB | Lasse Liten Blues Band |
| LLBO | Leech Lake Band of Ojibwe |
| LLCB | Leighton Linslade Concert Band |
| LLK | Lollipop Lust Kill |
| LLMG | Lime Lyte Music Group |
| LLMM | Lac Léman Music Masterclasses |
| LLOTE | Living Life On The Edge |
| LLTB | Lake Lanier Tournament of Bands |
| LMA | LIVE Music Association |
| LMAM | Loveworld Music and Arts Ministry |
| LMB | Laker Marching Band |
| LMBA | Lakeshore Marching Band Association |
| LMBA | Liberty Music Booster Association |
| LMBB | Little Mountain Brass Band |
| LMBB | London Massed Bugle Band |
| LMBC | Louisiana Marching Band Circuit |
| LMBO | Little Memphis Blues Orchestra |
| LMC | Live Music Connection |
| LMCF | Live Music Capital Foundation |
| LMDD | Los Minstrels Del Diablo |