| Musta | Mosta |
| Mustafa Barghuti | Mustafa Barghouti |
| Mustafa I | Mustafa I |
| Mustafa III | Mustafa III |
| Mustafa Kemal Atatürk | Mustafa Kemal Atatürk |
| Mustela nigripes | Tchórz czarnonogi |
| Mustela putorius | Tchórz zwyczajny |
| Mustela vison | Norka amerykańska |
| Mustelidae | Łasicowate |
| mustelidi | łasicowate |
| Musteriano | Kultura mustierska |
| Mustjala | Gmina Mustjala |
| musulmana | muzułmanin |
| musulmano | muzułmanin |
| Mut | Mut |
| muta | pianka |
| mutaforma | zmiennokształtny |
| mutagenicità | mutageniczność |
| Mutaito | Mutaito |
| mutamento climatico | zmiana klimatu |
| mutande | bielizna |
| mutante | mutant |
| mutare | przebierać |
| Mutarotazione | Mutarotacja |
| Mutazilismo | Mutazylizm |
| mutazione | mutacja |
| Mutazione genetica | Mutacja |
| Mutex | Mutex |
| Mutlangen | Mutlangen |
| Mutrux | Mutrux |
| Muttaburrasaurus langdoni | Mutaburazaur |
| Mutten | Mutten |
| Muttenz | Muttenz |
| Mutualismo | Mutualizm |
| Mutya Buena | Mutya Buena |
| Muwatalli II | Muwatallis II |
| Muyinga | Prowincja Muyinga |
| Muzafer Sherif | Eksperyment Sherifa |
| Muzio Clementi | Muzio Clementi |
| Muzzano | Muzzano |
| Muñoz | Science City of Muñoz |
| MV | MV |
| MVP | Most Valuable Player |
| MVV Maastricht | MVV Maastricht |
| MW | MW |
| Mwai Kibaki | Mwai Kibaki |
| Mwanza | Mwanza |
| Mwaro | Prowincja Mwaro |
| MY | Mi |
| My Belarusy | Hymn Białorusi |
| My Chemical Romance | My Chemical Romance |
| My Name Is Earl | Na imię mi Earl |
| Mya Harrison | Mýa Maria Harrison |
| Myanmar | Birma |
| Mycobacterium | Prątki |
| Mycobacterium tuberculosis | Prątek gruźlicy |
| Mycoplasma pneumoniae | Mycoplasma pneumoniae |
| Myitkyina | Myitkyina |
| Mykola Azarov | Mykoła Azarow |
| Mylène Farmer | Mylène Farmer |
| Mymoorapelta maysi | Mymoorapelta |
| Myra | Mira Ceti |
| Myriapoda | Wije |
| Myristicaceae | Muszkatołowcowate |
| Myrmecobius fasciatus | Mrówkożerowate |
| Myrmecophaga tridactyla | Mrówkojad wielki |
| Myrmecophagidae | Mrówkojady |
| Myrmeleontidae | Mrówkolwowate |
| Myron Scholes | Myron Scholes |
| Myroslav Ivan Lubachivsky | Myrosław Lubacziwśkyj |
| Myrtales | Mirtowce |
| Myrtus communis | Mirt zwyczajny |
| Myslenice | Myślenice |
| Mystary EP | Mystary EP |
| Mysterious Skin | Mysterious Skin |
| Mystery shopping | Mystery Shopping |
| Mystery Train - Martedì notte a Memphis | Mystery Train |
| Mystic River | Rzeka tajemnic |
| Mystica | Mystique |
| Mysticeti | Fiszbinowce |
| Myszków | Myszków |
| Mysłowice | Mysłowice |
| Mythbusters | Pogromcy mitów |
| Mytilus galloprovincialis | Omułek jadalny |
| Mytišči | Mytiszczi |
| Myxiniformes | Śluzice |
| Myślibórz | Myślibórz |
| MZ | MZ |
| Mzab | Al-Mizab |
| Málaga | Málaga |
| Málaga Club de Fútbol | Málaga CF |
| Máni | Mani |
| Máramaros | Máramaros |
| Márcio Amoroso | Márcio Amoroso |
| Márcio Roberto dos Santos | Márcio Santos |
| Mário Jardel | Mário Jardel |
| Mário Soares | Mário Soares |
| Mário Zagallo | Mário Zagallo |
| Mátra | Mátra |
| Mátyás Rákosi | Mátyás Rákosi |
| Máxima Zorreguieta | Máxima Zorreguieta |
| Mâcon | Mâcon |
| Mâle | Mâle |
| Mäetaguse | Gmina Mäetaguse |
| Mähring | Mehring |
| Mälaren | Melar |
| Märkisch-Oderland | Powiat Märkisch-Oderland |
| Märstetten | Mehrstetten |
| Målselv | Målselv |
| Måsøy | Måsøy |
| Médenine | Gubernatorstwo Madanijin |
| Médéa | Al-Midija |
| Méricourt | Méricourt |
| Mérida | Mérida |
| Mérignac | Mérignac |
