| Abbreviation | Definition |
|---|---|
| MOD | Ministry of Defence [UK] |
| MOJ[UnitedKingdom] | Ministry of Justice |
| MONUA | nited Nations Observer Mission in Angola |
| MONUA | United Nations Observer Mission in Angola |
| MONUSCO | Mission de l'Organisation des Nations unies pour la stabilisation en République démocratique du Congo |
| MOP | Meeting Of Parties |
| MOP | Messenger Of Peace |
| MOPE | Most Oppressed People Ever |
| MORSS | Minimum Operating Residential Security Standards |
| MOSS | Minimum Operating Security Standards |
| MOSS | Minimum Operative Security Standards |
| MOT(UnitedKingdom] | Ministry of Transport |
| MOTT | Ministry of Transport Test |
| MOV | Means of Verification |
| MPD | Myeloproliferative disorders |
| MRM | Monitoring and Reporting Mechanism on grave violations against children and armed conflict |
| MRSP | Marginalized Rural Sectors and Peoples |
| MRT | Mass Rapid Transport |
| MSCR | Mission Security Clearance Request |
| MSEC | Management of Soil Erosion Consortium |