| motåtgärd | countermeasure |
| Motörhead | Motörhead |
| Moudon | Moudon |
| Moulin Rouge | Moulin Rouge |
| Moulinsart | Marlinspike Hall |
| Moulinsmästaren | Master of Moulins |
| Mount Elbert | Mount Elbert |
| Mount Elgon | Mount Elgon |
| Mount Erebus | Mount Erebus |
| Mount Everest | Mount Everest |
| Mount Hood | Mount Hood |
| Mount Kenya | Mount Kenya |
| Mount Kosciuszko | Mount Kosciuszko |
| Mount Logan | Mount Logan |
| Mount Longonot nationalpark | Mount Longonot |
| Mount McKinley | Mount McKinley |
| Mount Panorama Motor Racing Circuit | Mount Panorama Circuit |
| Mount Rainier | Mount Rainier |
| Mount Redoubt | Mount Redoubt |
| Mount Rushmore National Memorial | Mount Rushmore |
| Mount Saint Helens | Mount St. Helens |
| Mount Washington | Mount Washington |
| Mount Whitney | Mount Whitney |
| Mount Wilhelm | Mount Wilhelm |
| Mountainbike | Mountain bike |
| Mountbatten | Battenberg family |
| Mountmellick | Mountmellick |
| Mournebergen | Mourne Mountains |
| Mournefjällen | Mourne Mountains |
| Mouscron | Mouscron |
| mousse | mousse |
| moussera | bubble |
| mousserande | sparkling |
| mousserande vin | sparkling wine |
| Moustérienkulturen | Mousterian |
| Moutier | Moutier |
| Mouvement démocrate | Democratic Movement |
| Mouvement National Républicain | National Republican Movement |
| Mouvement pour la France | Movement for France |
| Movement for the Restoration of the Ten Commandments of God | Movement for the Restoration of the Ten Commandments of God |
| Mowgli | Mowgli |
| MOX-bränsle | MOX fuel |
| Moy Yat | Moy Yat |
| Moya Brennan | Moya Brennan |
| Moyle | Moyle District Council |
| Mozarabiska | Mozarabic language |
| Mozartkulor | Mozartkugel |
| Mozdok | Mozdok |
| Mozilla | Mozilla |
| Mozilla Firefox | Mozilla Firefox |
| Mozilla Foundation | Mozilla Foundation |
| Mozilla Public License | Mozilla Public License |
| Mozilla Sunbird | Mozilla Sunbird |
| Mozirje | Mozirje |
| Moçambique | Mozambique |
| Moçambiques distrikt | Districts of Mozambique |
| Moçambiques flagga | Flag of Mozambique |
| Moçambiques fotbollslandslag | Mozambique national football team |
| Moçambiques geografi | Geography of Mozambique |
| Moçambiques provinser | Provinces of Mozambique |
| Moçambiques statsvapen | Coat of arms of Mozambique |
| Mošovce | Mošovce |
| MP | MP |
| MPB | Música Popular Brasileira |
| MPEG | Moving Picture Experts Group |
| Mpemba-effekten | Mpemba effect |
| MPLA | Popular Movement for the Liberation of Angola |
| Mpumalanga | Mpumalanga |
| MRAM | Magnetoresistive Random Access Memory |
| MRSA | Methicillin-resistant Staphylococcus aureus |
| MS Röj | Minehunter |
| MS-DOS | MS-DOS |
| MSDNAA | MSDN Academic Alliance |
| msk | tbsp |
| MSN | MSN |
| MSN Messenger | MSN Messenger |
| MSO Word | MSO Word |
| Mstislav I | Mstislav I of Kiev |
| Mstislav Rostropovitj | Mstislav Rostropovich |
| MSV Duisburg | MSV Duisburg |
| MSV-Arena | MSV-Arena |
| Mswati III | Mswati III of Swaziland |
| MSX | MSX |
| MT-LB | MT-LB |
| MTAB | Malmtrafik |
| MTBE | Methyl tert-butyl ether |
| MTG | Modern Times Group |
| Mthatha | Mthatha |
| MTK Hungária FC | MTK Hungária FC |
| MTP | Media Transfer Protocol |
| MTR Corporation | MTR Corporation |
| MTS | MTS |
| Mtscheta | Mtskheta |
| MTV | MTV |
| MTV Movie Awards | MTV Movie Awards |
| MTV Unplugged | MTV Unplugged |
| MTV Unplugged in New York | MTV Unplugged in New York |
| MTV Video Music Award för Best Female Video | MTV Video Music Award for Best Female Video |
| MTV Video Music Awards | MTV Video Music Awards |
| Mtwara | Mtwara Region |
| Mu Arae | Mu Arae |
| Muammar al-Qadhdhafi | Muammar al-Gaddafi |
| Muan | Muan County |
| Muawiya I | Muawiyah I |
| Muazzez Ilmiye Cig | Muazzez İlmiye Çığ |
| MUCC | Mucc |
| Muckle Flugga | Muckle Flugga |
| mudder | mud |
| muddermassa | dredged material |
| mudderverk | dredger |
| muddra | dredge |
| muddring | dredging |
| Muddus | Muddus |
| Muddy Waters | Muddy Waters |
| Mudéjar | Mudéjar |
| Muezzin | Muezzin |
| muff | muff |
| mufflon | mouflon |
| Mugello | Mugello Circuit |
| mugg | mug |
