| Abbreviation | Definition |
|---|---|
| MASH | Municipal Academic Schools and Hospitals |
| MATUSA | Municipal and Allied Trade Union of South Africa |
| MAWC | Municipal Authority of Westmoreland County |
| MAWC | Municipal Authority of Westmorland County |
| MB | Municipal Borough |
| MBFA | Municipal Bonds for America |
| MBIA | Municipal Bond Insurance Association |
| MBMT | Mira-Bhayandar Municipal Transport |
| MCCT | Monroe County Civic Theater |
| MCE | Municipal Chief Executive |
| MCEB | Municipal Code Enforcement Board |
| MCEC | Macedonian Civic Education Center |
| MCH | Municipal Corporation of Hyderabad |
| MCSC | Municipal Community Safety Council |
| MDA | Municipal and District Assemblies |
| MDAC | Municipal Debt Advisory Commission |
| MDRN | Municipal Design Review Network |
| MDRRM | Municipal Disaster Risk Reduction Management |
| MDRRMO | Municipal Disaster Risk Reduction and Management Office |
| MDRRMO | Municipal Disaster Risk Reduction Management Office |