| LMBA | La Mirada Baseball Association 
| Others |
| LMBA | Lakeshore Marching Band Association
| Others |
| LMBA | Larchmont Mamaroneck Basketball Assc
| Others |
| LMBA | Larchmont Mamaroneck Basketball Association
| Others |
| LMBA | Latino Management and Business Association
| Others |
| LMBA | Latino Management Business Association
| Others |
| LMBA | Leadership Master of Business Administration
| Others |
| LMBA | Lethbridge Minor Basketball Association
| Others |
| LMBA | Liberty Music Booster Association
| Others |
| LMBA | Listeria Monocytogenes Blood Agar
| Others |
| LMBA | London Metropolitan Bridge Association
| Others |
| LMBA | London Multiple Births Association
| Others |
| LMBA | Loren Miller Bar Association
| Others |
| LMBA | Loren Miller Bar Association's
| Others |
| LMBA | Lower Mainland Baseball Association
| Others |