| Abbreviation | Definition |
|---|---|
| MNS | Maharashtra Navnirman Sena |
| MOAB | Mother Of All Bailouts |
| MOB | Mothers Opposing Bush |
| MOB | Musicians to Oust Bush |
| MODI | Murder of Democratic India |
| MONUSCO | Mission de l'Organisation des Nations unies pour la stabilisation en République démocratique du Congo (in French) United Nations Organization Stabilization Mission in the Democratic Republic of the Co |
| MOS | Minister Of State |
| MP | Member of Parliament |
| MP | Member of Politics |
| MPA | Member of the Provencal Assembly |
| MPAC | Manufacturers Political Action Committee |
| MPLA | Movimento Popular de Libertação de Angola |
| MPO | Member Political Organizer |
| MPP | Metal Protection Plating |
| MPPN | Maine Political Papers Network |
| MPPP | Mega Progressive Peoples Party |
| MPRP | Mongolian People's Revolutionary Party |
| MPSA | Midwest Political Science Association |
| MPSR | Midsouth Political Science Review |
| MQM | Muhajir Qaumi Movement |