| Abbreviation | Definition |
|---|---|
| MOSP | Minnesota Odonata Survey Project |
| MOSR | Minister of State for Railway |
| MOST | Municipal Option Sales Tax |
| MOWAC | Ministry of Women and Children |
| MoWR | Ministry of Water Resources |
| MP | Mornington Peninsula |
| MP3 | Municipal Planning Provincial Portal |
| MPA | Maryland Port Administration |
| MPBSD | Ministry of Public and Business Service Delivery |
| MPDD | Management Planning Development Department |
| MPDD | Management & Planning Development Department |
| MPIA | Maryland Public Information Act |
| MPIR | Ministry of Public Infrastructure Renewal |
| MPL | Maldive Ports Limited |
| MPLS | Minneapolis |
| MPM | Malappuram |
| MPN | Municipal Planning Organization |
| MPP | Member of a Provincial Parliament (properly MLA) |
| MPPD | Mt Prospect Park District |
| MPSC | Michigan Public Service Commission |