| Abbreviation | Definition |
|---|---|
| MMBDC | Michigan Minority Business Development Council |
| MMBW | Melbourne and Metropolitan Board of Works |
| MMC | Maine Medical Center |
| MMDA | Metropolitan Manila Development Authority |
| MMDE | Ministry of Manpower Development and Employment |
| MMDI | Metropolitan Model Deployment Initiative |
| MMED | Miles and Miles of Empty Desert |
| MML | Maryland Municipal League |
| MML | Michigan Municipal League |
| MMMA | Massachusetts Municipal Management Association |
| MMT | Methadone maintenance treatment |
| MMU | Morristown Municipal Airport |
| MMUA | Minnesota Municipal Utilities Association |
| MMUP | Mississippi Missing and Unidentified Persons |
| MMWA | Mid Michigan Waste Authority |
| MN | Minnesota |
| MNA | Member of the National Assembly (Québec) |
| MNBC | Métis Nation British Columbia |
| MNBP | Manassas National Battlefield Park |
| MNBP | Minnesota Business Partnership |