| Mutualità | Mutual organization |
| mutuante | moneylender |
| mutuataria | borrower |
| mutuatario | borrower |
| mutuo | common |
| Mutya Buena | Mutya Buena |
| Muwatalli II | Muwatalli II |
| MUX | MUX |
| Muxika | Muxika |
| Muxía | Muxia |
| Muyinga | Muyinga Province |
| Muzafer Sherif | Muzafer Sherif |
| Muzaffaridi | Muzaffarids |
| Muzio Clementi | Muzio Clementi |
| Muzio Scevola | Mucius |
| Muztagata | Muztagh Ata |
| Muñoz | Science City of Muñoz |
| Muğla | Muğla Province |
| Muş | Muş Province |
| MVP | MVP |
| MVV Maastricht | MVV |
| MW | MW |
| Mwai Kibaki | Mwai Kibaki |
| Mwanza | Mwanza Region |
| Mwaro | Mwaro Province |
| Mweelrea | Mweelrea |
| MX | MX |
| My Air | MyAir |
| My Belarusy | My Belarusy |
| My Chemical Romance | My Chemical Romance |
| My Fair Lady | My Fair Lady |
| My Generation | My Generation |
| My Life - Questa mia vita | My Life |
| My Life as a Teenage Robot | My Life as a Teenage Robot |
| My Name Is Earl | My Name Is Earl |
| My So-Called Life | My So-Called Life |
| My Son | Mỹ Sơn |
| My Thuan | My Thuan |
| MYA | Mya |
| Mya Harrison | Mýa |
| Myair | MyAir |
| Myanmar | Burma |
| Mycena | Mycena |
| Mycobacterium leprae | Mycobacterium leprae |
| Mycobacterium tuberculosis | Mycobacterium tuberculosis |
| Mycoplasma pneumoniae | Mycoplasma pneumoniae |
| Mycroft Holmes | Mycroft Holmes |
| Mydaus javanensis | Javan Stink Badger |
| Myennes | Myennes |
| Mygalomorphae | Mygalomorphae |
| Myia | Alpha Muscae |
| Myitkyina | Myitkyina |
| Mykola Azarov | Mykola Azarov |
| Mykonos | Mykonos |
| Mylène Farmer | Mylène Farmer |
| Mymaridae | Fairyfly |
| Mymoorapelta maysi | Mymoorapelta |
| Mynämäki | Mynämäki |
| Myomyscus | Myomyscus |
| Myosotis | Myosote |
| Myotragus balearicus | Myotragus balearicus |
| Myra | Myra |
| Myriapoda | Myriapoda |
| Myristicaceae | Myristicaceae |
| Myrna Loy | Myrna Loy |
| Myron Scholes | Myron Scholes |
| Myroslav Ivan Lubachivsky | Myroslav Ivan Lubachivsky |
| Myrskylä | Myrskylä |
| Myrtaceae | Myrtaceae |
| Myrtales | Myrtales |
| Myrtillocactus | Myrtillocactus |
| Myslenice | Myślenice |
| Myslina | Myslina |
| Mystacina tuberculata | New Zealand Lesser Short-tailed Bat |
| Mystary EP | Mystary EP |
| Mysterio | Mysterio |
| Mysterious Skin | Mysterious Skin |
| Mystery shopping | Mystery shopping |
| Mystery Train - Martedì notte a Memphis | Mystery Train |
| Mystic Pizza | Mystic Pizza |
| Mystic Quest | Final Fantasy Adventure |
| Mystic Quest Legend | Final Fantasy Mystic Quest |
| Mystic River | Mystic River |
| Mysticeti | Baleen whale |
| Mystici Corporis Christi | Mystici Corporis Christi |
| Mystra | Mystra |
| Myszków | Myszków |
| Mysłowice | Mysłowice |
| Mythbusters | MythBusters |
| Mytišči | Mytishchi |
| Myung-Whun Chung | Myung-Whun Chung |
| Myxophaga | Myxophaga |
| Myzostomida | Myzostomida |
| Myōjō | Myōjō |
| Myślibórz | Myślibórz |
| Myškin | Myshkin |
| MZ | MZ |
| Málaga | Málaga |
| Málaga Club de Fútbol | Málaga CF |
| Mánagarmr | Mánagarmr |
| Máni | Máni |
| Máramaros | Máramaros |
| Márcio Amoroso | Márcio Amoroso |
| Márcio Roberto dos Santos | Márcio Roberto dos Santos |
| Mário Hipólito | Mário Hipólito |
| Mário Jardel | Mário Jardel |
| Mário Soares | Mário Soares |
| Mário Zagallo | Mário Zagallo |
| Mátra | Mátra |
| Mátyás Rákosi | Mátyás Rákosi |
| Mátyás Szűrös | Mátyás Szűrös |
| MÁV | Hungarian State Railways |
| Máxima Zorreguieta | Princess Máxima of the Netherlands |
| Mâcon | Mâcon |
| Mäder | Meeder |
| Mäetaguse | Mäetaguse Parish |
| Mägenwil | Mägenwil |
| Mähring | Mähring |
| Mälaren | Mälaren |
| Männedorf | Männedorf |
| Märkisch-Oderland | Märkisch-Oderland |
| Märstetten | Märstetten |
| Målselv | Målselv |
| Måsøy | Måsøy |
| Médenine | Medenine |
| Médéa | Médéa |
| Méi Lánfāng | Méi Lánfāng |
| Mélissa Theuriau | Melissa Theuriau |
| Mémoires Affectives | Mémoires affectives |
| mésalliance | misalliance |
| Mézery-près-Donneloye | Mézery-près-Donneloye |
| Míchel | Míchel |
| Míchel Salgado | Míchel Salgado |
| Mímir | Mímir |
| Móra la Nova | Móra la Nova |
| Mórrígan | Morrígan |
| Móstoles | Móstoles |
| Móðguðr | Móðguðr |
| Môlča | Môlča |
| Mõisaküla | Mõisaküla |
| Möckmühl | Möckmühl |
| Mödingen | Mödingen |
| Mödling | Mödling |
| Mögglingen | Mögglingen |
| Möglingen | Möglingen |
| Möhlin | Möhlin |
| Möhnesee-Wamel | Möhnesee-Wamel |
| Möhrendorf | Möhrendorf |
| Mölbling | Mölbling |
| Mömbris | Mömbris |
| Mömlingen | Mömlingen |
| Mönchaltorf | Mönchaltorf |
| Mönchberg | Mönchberg |
| Mönchengladbach | Mönchengladbach |
| Mönchhof | Mönchhof |
| Mönchsdeggingen | Mönchsdeggingen |
| Mönchsroth | Mönchsroth |
| Mönchweiler | Mönchweiler |
| Mönichkirchen | Mönichkirchen |
| Mönsheim | Mönsheim |
| Mönsterås | Mönsterås Municipality |
| Mönthal | Mönthal |
| Mörbisch am See | Mörbisch am See |
| Mörel | Mörel |
| Mörfelden-Walldorf | Mörfelden-Walldorf |
| Mörigen | Mörigen |
| Möriken-Wildegg | Möriken-Wildegg |
| Mörlenbach | Mörlenbach |
| Mörnsheim | Mörnsheim |
| Mörschwil | Mörschwil |
| Mörtschach | Mörtschach |
| Mössingen | Mössingen |
| Mötley Crüe | Mötley Crüe |
