| Melbourne | Melbourne |
| melbærris | bearberry |
| Meldal | Meldal |
| Melet Kodriver | Primula farinosa |
| Melete | Melete |
| Melhus | Melhus |
| Melilla | Melilla |
| Melissa auf der Maur | Melissa Auf der Maur |
| Melkisedek | Melchizedek |
| mellem | among |
| Mellemamerika | Central America |
| Mellemamerikas Forenede Stater | Federal Republic of Central America |
| Mellemflagspætte | Middle Spotted Woodpecker |
| mellemhjernen | diencephalon |
| mellemkød | perineum |
| Mellemmenneskelige forhold | Interpersonal relationship |
| mellemskov | coppice with standards |
| Mellemsokkel | Adapter |
| Mellemværdisætningen | Intermediate value theorem |
| Mellemørebetændelse | Ear infection |
| Mellemøsten | Middle East |
| melodi | tune |
| Melodifestivalen | Melodifestivalen |
| Melodigrandprix | Eurovision |
| Melodisk dødsmetal | Melodic death metal |
| Melodisk sortmetal | Melodic black metal |
| melodiøs | tuneful |
| Melon | Melon |
| Melontræ-familien | Caricaceae |
| Melpomene | Melpomene |
| Meløy | Meløy |
| membran | membrane |
| Memetik | Memetics |
| Memphis | Memphis |
| Memphis Grizzlies | Memphis Grizzlies |
| MEMS | Microelectromechanical systems |
| men | but |
| Men in Black | Men in Black |
| Menachem Begin | Menachem Begin |
| mendelevium | mendelevium |
| Menden | Menden |
| Menelaos | Menelaus |
| Menes | Menes |
| Menin-porten | Menin Gate |
| Meningen med livet | Meaning of life |
| Meningitis | Meningitis |
| Meningsfuld | Point |
| menneske | man |
| Menneskeabe | Hominidae |
| Menneskeabeprojektet | Great Ape Project |
| menneskehed | world |
| Menneskejagt | North by Northwest |
| menneskelegeme | human body |
| Menneskeofring | Human sacrifice |
| menneskerettigheder | human rights |
| menneskerettighederne | human rights |
| Menneskerettighedserklæringen | Universal Declaration of Human Rights |
| menneskers boligmiljø | human habitat |
| menneskers sundhed | human health |
| menneskeskabt katastrofe | human-made disaster |
| menneskeskabt klimaændring | man-made climate change |
| Menneskeskelet | Human skeleton |
| menneskesygdom | human disease |
| Menneskets udvikling | Human evolution |
| Menneskets urhistorie og forhistorie | Prehistory |
| Menno Simons | Menno Simons |
| Mennonit | Mennonite |
| Menon | Meno |
| menorah | menorah |
| Menorca | Minorca |
| Mens vi venter på Godot | Waiting for Godot |
| Mensa | Mensa International |
| Menstruasjon | Menstrual cycle |
| Menstruation | Menstrual cycle |
| Mentos udbrud | Diet Coke and Mentos Eruption |
| Merapi | Mount Merapi |
| Mercedes | Mercedes |
| Mercedes SLR McLaren | Mercedes-Benz SLR McLaren |
| Mercedes-Benz | Mercedes-Benz |
| Mercedes-Benz C-klasse | Mercedes-Benz C-Class |
| Mercedes-Benz E-klasse | Mercedes-Benz E-Class |
| Mercedes-Benz Sprinter | Mercedes-Benz Sprinter |
| Mercury-programmet | Project Mercury |
| Merete | Meret |
| Mergel | Marne |
| Meriadoc Brændebuk | Meriadoc Brandybuck |
| Merida | Merida |
| Meridian | Meridian |
| Meridiankreds | Meridian circle |
| Merimde-kulturen | Merimde |
| Meritokrati | Meritocracy |
| Merkantilisme | Mercantilism |
| Merkava | Merkava |
| Merkur | Mercury |
| Merlin | Merlin |
| Merope | Merope |
| Merovinger | Merovingian |
| Mersennetal | Mersenne prime |
| Merthyr Tydfil | Merthyr Tydfil |
| Mervyn Peake | Mervyn Peake |
| merværdiafgift | value added tax |
| Meryl Streep | Meryl Streep |
| Meråker | Meråker |
| Meskalin | Mescaline |
| Mesoamerika | Mesoamerica |
| Mesoamerikansk boldspil | Mesoamerican ballgame |
| Mesoamerikansk tidstavle | Mesoamerican chronology |
| Mesoamerikanske pyramider | Mesoamerican pyramids |
| Mesopotamien | Mesopotamia |
| Mesosfære | Mesosphere |
| Mesozoikum | Mesozoic |
| Messe | Mass |
| messehagel | chasuble |
| MESSENGER | MESSENGER |
| Messerschmitt | Messerschmitt |
| Messeturm | Messeturm |
| Messias | Messiah |
| Messiers katalog | Messier object |
| Messina | Messina |
| Messinastrædet | Strait of Messina |
| Messing | Brass |
| Messingblæser | Copper |
| Mester Eckehart | Meister Eckhart |
| Mester Jakob | Frère Jacques |
| Mestersangerne i Nürnberg | Die Meistersinger von Nürnberg |
| mesterskab | championship |
| Metaanalyse | Meta-analysis |
| Metadata | Metadata |
| Metadon | Methadone |
| Metaetik | Meta-ethics |
| Metafiktion | Metafiction |
| Metafor | Metaphor |
| metafysik | metaphysics |
| metainformation | metainformation |
| Metakognition | Metacognition |
| metal | metal |
| Metal Church | Metal Church |
| Metal Gear | Metal Gear |
| metalaffald | metal waste |
| Metalcore | Metalcore |
| Metaldehyd | Metaldehyde |
| metalindustrien | metallurgical industry |
| Metallica | Metallica |
| Metallicas diskografi | Metallica discography |
| metallisk mineral | metallic mineral |
| metallurgi | metallurgy |
| metaloxid | metal oxide |
| metalprodukt | metal product |
| metalproduktion | metal products industry |
| Metaludvinding | Extractive metallurgy |
| Metanarrativ | Metanarrative |
| Metanet | AnoNet |
| Metanol | Methanol |
| METAR | METAR |
| Metastase | Metastasis |
| meteor | meteor |
| Meteoroid | Meteoroid |
| meteorologi | meteorology |
| meteorologisk forskning | meteorological research |
| meteorologisk fænomen | meteorological phenomenon |
| meteorologisk katastrofe | meteorological disaster |
| meteorologisk parameter | meteorological parameter |
| meter | metre |
| Methamfetamin | Methamphetamine |
| methan | methane |
| methanisering | methanisation |
| Method Man | Method Man |
| Methode der Maßnahme | Method of the measurement |
| Methode der wissenschaftlichen Beobachtung | Method of the scientific observation |
| Methone | Methone |
| Metis | Metis |
| metode | method |
| metode til digital billedbehandling | digital image processing technique |
| metodik | methodology |
| Metodisme | Methodism |
| Metodister | Methodism |
| Metonymi | Metonymy |
| Metrisk rum | Metric space |
| Metro | Copenhagen Metro |
| metrologi | metrology |
| metronom | metronome |
| metropol | metropolis |
| Metropolis | Home country |
| Metropolit | Metropolitan bishop |
| Metropolitan Museum of Art | Metropolitan Museum of Art |
| Metylsufonylmetan | Methylsulfonylmethane |
| Metz | Metz |
| Meulaboh | Meulaboh |
| Meurthe-et-Moselle | Meurthe-et-Moselle |
| Meuse | Meuse |
| Mewtwo | Mewtwo |
| Mexicana de Aviación | Mexicana de Aviación |
| Mexicansk-amerikanske krig | Mexican-American War |
| Mexicanske Golf | Gulf of Mexico |
| Mexicanske revolution | Mexican Revolution |
| Mexico | Mexico |
| Mexico City | Mexico City |
| Mexicos demografi | Demography of Mexico |
| Mexicos flag | Flag of Mexico |
| Mexicos Føderale Distrikt | Mexican Federal District |
| Mexicos historie | History of Mexico |
| Mexicos nationalvåben | Coat of arms of Mexico |
| Mexicos stater | Political divisions of Mexico |
| Mexicos uafhængighedskrig | Mexican War of Independence |
| Mexikansk hårløs | Mexican Hairless Dog |
| Mexikansk hårløs hund | Mexican Hairless Dog |
| Meïr Aron Goldschmidt | Meïr Aron Goldschmidt |
| Međugorje | Međugorje |
| MF | MF |
| MGM | Metro-Goldwyn-Mayer |
| MGP Nordic | MGP Nordic |
