| Morbær | Mulberry |
| Morbær-familien | Moraceae |
| Morbær-Figen | Ficus sycomorus |
| mord | murder |
| Mordor | Mordor |
| Mordred | Mordred |
| More | Moor |
| Morelos | Morelos |
| morfar | maternal grandfather |
| Morfem | Morpheme |
| Morfeus | Morpheus |
| morfin | morphine |
| morfologi | morphology |
| Morgan Freeman | Morgan Freeman |
| Morgan le Fay | Morgan le Fay |
| Morganatisk ægteskab | Morganatic marriage |
| Morgause | Morgause |
| morgen | morning |
| morgendag | tomorrow |
| morgenkåbe | dressing gown |
| morgenmad | breakfast |
| morgenmand | early bird |
| Morgoth | Morgoth |
| Morihei Ueshiba | Morihei Ueshiba |
| Morihiro Saito | Morihiro Saito |
| Morild | Noctilucales |
| Morituri te salutant | Ave Caesar morituri te salutant |
| Moritz Schlick | Moritz Schlick |
| Mormon | Mormon |
| Mormons Bog | Book of Mormon |
| Mororefleksen | Moro reflex |
| Morpheus | Morpheus |
| Morris | Morris worm |
| Morrissey | Morrissey |
| Mors | Walrus |
| Mors dag | Mother's Day |
| Morsealfabet | Morse code |
| morsom | funny |
| Morsø Kommune | Morsø municipality |
| Morten | Martin |
| Morten Mogensen | Modistae |
| Mortér | Mortar |
| Moré Nevukhim | Guide for the Perplexed |
| Mos Espa | List of Star Wars cities |
| Mosaic | Mosaic |
| mosaik | mosaic |
| Mosasaur | Mosasaur |
| mose | bog |
| Mose-Bunke | Tufted Hair-grass |
| Mose-Pors | Myrica gale |
| Mose-Post | Marsh Labrador Tea |
| Mosebøgerne | Pentateuch |
| Mosehøsommerfugl | Klondike |
| Mosel | Moselle |
| Moseliget fra Vindeby I | Windeby I |
| Moselle | Moselle |
| Moserandøje | Large Heath |
| Moses | Moses |
| Moses Isserlis | Moses Isserles |
| MOSFET | MOSFET |
| Moshe Dayan | Moshe Dayan |
| Moshe Katsav | Moshe Katsav |
| Moske | Mosque |
| Moskenes | Moskenes |
| Moskva | Moscow |
| Moskva oblast | Moscow Oblast |
| Moskva Zoo | Moscow Zoo |
| Moskvas manege | Moscow Manege |
| Moskvas metro | Moscow Metro |
| Moskvas statsuniversitet | Moscow State University |
| moské | mosque |
| Mossad | Mossad |
| mosser | moss |
| Most Valuable Player | MVP |
| Mostar | Mostar |
| Mosul | Mosul |
| Mosvik | Mosvik |
| motet | motet |
| Mother Jones | Mother Jones |
| Motherland | Motherland |
| Motion capture | Motion capture |
| motor | engine |
| motorbrændstof | motor fuel |
| motorcykel | motorbike |
| motorkøretøj | motor vehicle |
| Motormus fra Mars | Biker Mice from Mars |
| Motorola | Motorola |
| motorsav | chainsaw |
| Motorsavsmassakren | The Texas Chain Saw Massacre |
| MotorStorm | MotorStorm |
| Motortrafikvej | Autostrasse |
| motorvej | expressway |
| Motorvogn | Multiple unit |
| Motown Records | Motown Records |
| Motte | Motte-and-bailey |
| Motto | Motto |
| Motörhead | Motörhead |
| Moulay Rachid af Marokko | Prince Moulay Rachid of Morocco |
| Mount Baker | Mount Baker |
| Mount Everest | Mount Everest |
| Mount Kinabalu | Mount Kinabalu |
| Mount Kosciuszko | Mount Kosciuszko |
| Mount McKinley | Mount McKinley |
| Mount Rainier | Mount Rainier |
| Mount Rushmore | Mount Rushmore |
| Mount St. Helens | Mount St. Helens |
| Mountainbike | Mountain bike |
| Mountmellick | Mountmellick |
| Movsar Barajev | Movsar Barayev |
| Mowag Piranha | Mowag Piranha |
| Moy Yat | Moy Yat |
| Mozambique | Mozambique |
| Mozdok | Mozdok |
| Mozilla | Mozilla |
| Mozilla Firefox | Mozilla Firefox |
| Mošovce | Mošovce |
| MPA | Master of Public Administration |
| MPEG | Moving Picture Experts Group |
| Mpemba-effekten | Mpemba effect |
| MPLA | Popular Movement for the Liberation of Angola |
| Mpumalanga | Mpumalanga |
| MQ | MQ |
| MRNA | Messenger RNA |
| MS | MS |
| MS Sleipner | MS Sleipner |
| MS-DOS | MS-DOS |
| MSI | Micro-Star International |
| MSN Messenger | MSN Messenger |
| MSO Word | MSO Word |
| MSV Duisburg | MSV Duisburg |
| MTG | Modern Times Group |
| Mtkvari | Kura River |
| MTV | MTV |
| MTV Movie Awards | MTV Movie Awards |
| Mu | Mu |
| Mu Ngiki | Rennell and Bellona Province |
| Muaddhin | Muezzin |
| Muammar al-Gaddafi | Muammar al-Gaddafi |
| Much Wenlock | Much Wenlock |
| Muckle Flugga | Muckle Flugga |
| mudder | mud |
| mudderbanke | mud flat |
| Mudderdrage | Kinorhyncha |
| Muddy Waters | Muddy Waters |
| muflon | mouflon |
| Muggler | Muggle |
| Mugu District | Mugu District |
| Muhamedaner | Muslim |
| Muhammad Ali | Muhammad Ali |
| Muhammad Ali Pasha | Muhammad Ali of Egypt |
| Muhammad ibn Mūsā al-Khwārizmī | Muhammad ibn Mūsā al-Khwārizmī |
| Muhammad Yunus | Muhammad Yunus |
| Muhammed | Muhammad |
| Muhammed Ali Jinnah | Muhammad Ali Jinnah |
| Muhammed Iqbal | Muhammad Iqbal |
| Muhammed Mossadegh | Mohammed Mosaddeq |
| Muhammed-tegningerne | Jyllands-Posten Muhammad cartoons controversy |
| Muharram | Muharram |
| Muhsen Al-Hakem | Grand Ayatollah Muhsen Al-Hakem |
| Muhu | Muhu |
| Mujahid | Mujahideen |
| Mukdenpaladset | Mukden Palace |
| Mukryan | Mukriyan |
| Mulde | Mulde |
| muldvarp | mole |
| muldyr | mule |
| Mulhouse | Mulhouse |
| mulig | feasible |
| Mulig verden | Possible world |
| Mullah | Mullah |
| Mullah Dadullah | Dadullah |
| Mullah Obaidullah Akhund | Obaidullah Akhund |
| Mullingar | Mullingar |
| multebær | cloudberry |
| multilateral aftale | multilateral agreement |
| Multilayer switch | Multilayer switch |
| Multimedia | Multimedia |
| multimedieteknologi | multimedia technology |
| multinationalt selskab | multinational firm |
| Multipel endokrin neoplasi | Multiple endocrine neoplasia |
| Multipel sklerose | Multiple sclerosis |
| Multiplayer | Multiplayer game |
| Multiplekser | Multiplixer |
| Multiplikation | Multiplication |
| Multiplikatoreffekt | Spending multiplier |
| multispektral skanner | multispectral scanner |
| Multitasking | Computer multitasking |
| Multithreading | Hyper-threading |
| Mulæsel | Mule |
| Mumbai | Mumbai |
| Mumie | Mummy |
| Mumitroldene | Moomin |
| mums | yum |
| Munchmuseet | Munch Museum |
| mund | mouth |
| mund- og klovsyge | foot |
| Munda-sprogene | Munda languages |
| Mundharmonika | Harmonica |
| Mundilfare | Mundilfari |
| mundlam | speechless |
| mundskænk | cup-bearer |
| Mungo Park | Mungo Park |
| munk | monk |
| Munkebo Kommune | Munkebo municipality |
| munkegrib | Eurasian black vulture |
| munkering | doughnut |
| Munkfors kommun | Munkfors Municipality |
| Munkwolstrup | Sankelmark |
| Munster | Munster |
| munter | bright |
| Muppets | The Muppets |
| Muqtada al-Sadr | Muqtada al-Sadr |
| mur | wall |
| Murad I | Murad I |
| Murasaki Shikibu | Murasaki Shikibu |
| Murava | Marzanna |
