| Abbreviation | Definition |
|---|---|
| MMLA | Massachusetts Municipal Lawyers Association |
| MMLD | Marblehead Municipal Light Department |
| MMMF | Municipal Money Market Fund |
| MMPA | Massachusetts Municipal Personnel Association |
| MMPA | Minnesota Municipal Power Agency |
| MMRA | MA Municipal Reinsurance Arrangement |
| MMSA | Mackenzie Municipal Services Agency |
| MMTF | Multi Municipal Task Force |
| MMTG | Midwest Municipal Transmission Group |
| MMWD | Marin Municipal Water District |
| MNC | Municipal National and County |
| MOB | Municipal Over Bond |
| MOCI | Mayor's Office of Civic Innovation |
| MOCR | Municipal Offices for Communities and Return |
| MOK | Mansions Of King |
| MOLO | Mayor of London Ohio |
| MPAC | Municipal Property Assessment Corporation |
| MPIC | Municipal Property Insurance Company |
| MPMR | Municipal Performance Measurement Reports |
| MPOB | Municipal Pensions Oversight Board |