| MMHA | Malaysia Mental Health Association 
| Others |
| MMHA | Maryland Multi Housing Association
| Others |
| MMHA | Maryland Multifamily Housing Association
| Others |
| MMHA | Massachusetts Manufactured Housing Association
| Others |
| MMHA | Maternal Mental Health Alliance
| Others |
| MMHA | Meadowvale Minor Hockey Association
| Others |
| MMHA | Medina Metro Housing Authority
| Others |
| MMHA | Medina Metropolitan Housing Authority
| Others |
| MMHA | Michigan Manufactured Housing Association
| Others |
| MMHA | Miel Maya Honing Asbl
| Others |
| MMHA | Minnesota Multi Housing Association
| Others |
| MMHA | Mission Minor Hockey Association
| Others |
| MMHA | Mississippi Manufactured Housing Association
| Others |
| MMHA | Missouri Manufactured Housing Association
| Others |
| MMHA | Multicultural Mental Health Australia
| Others |
| MMHA | My Most Humble Apology
| Others |