# ISO 639:m

This is a list of ISO 639-3 language codes starting with M.
Index | a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z
Abbreviations are used in the table as follows:
* Scope (Archived April 21, 2006, at the Wayback Machine. Additional archives: December 15, 2023.): I = individual language, M = macrolanguage, S = special code
* Type (Archived April 21, 2006, at the Wayback Machine. Additional archives: December 14, 2023.): A = ancient (extinct since ancient times), C = constructed, E = extinct (in recent times), H = historical (distinct from its modern form), L = living, S = special code
Retired codes are enclosed in (parentheses).
The column Family contains the generic English name of the language's family or macrolanguage.
| ISO 639 codes | ISO 639 codes | ISO 639 codes | Scope/Type | Family | Language names | Language names | Language names | Language names | Language names | Language names | Language names |
| 639-3 | 639-1 | 639-2B | Scope/Type | Family | Native | eng | fra | spa | zho | rus | deu |
| maa | | | I/L | | | Mazatec, San Jerónimo Tecóatl | | | | | |
| mab | | | I/L | | | Mixtec, Yutanduchi | | | | | |
| mad | | mad | I/L | | Basa Mathura | Madurese | madourais | | 马都拉语 | мадурский | Maduresisch |
| mae | | | I/L | | | Bo-Rukul | | | | | |
| maf | | | I/L | | | Mafa | | | | | |
| mag | | mag | I/L | | मगही | Magahi | magahi | magahi | 摩揭陀语; 马加赫语 | магахи | |
| mah | mh | mah | I/L | Austronesian | Kajin M̧ajeļ | Marshall | marshall | | 马绍尔语 | маршал(л)ьский | Marshallisch |
| mai | | mai | I/L | | मैथिली | Maithili | maithili | maithili | 米德勒语; 迈蒂利语 | майтхили | Maithili |
| maj | | | I/L | | | Mazatec, Jalapa De Díaz | | | | | |
| mak | | mak | I/L | | | Makasar | makassar | | 望加锡语 | макассарский | Makassar |
| mal | ml | mal | I/L | Dravidian | മലയാളം | Malayalam | malayalam | malayalam | 马拉雅拉姆语 | малаялам | Malajalam |
| mam | | | I/L | | | Mam, Northern | | | | | |
| man | | man | M/L | | | Mandingo | mandingue | | 曼丁哥语; 马林克语 | мандинго | Mandinka |
| maq | | | I/L | | | Mazatec, Chiquihuitlán | | | | | |
| mar | mr | mar | I/L | Indo-European | मराठी | Marathi | marathe | maratí | 马拉地语 | маратхи | Marathi |
| mas | | mas | I/L | | ɔl Maa | Masai | massaï | massaï | 马萨伊语 | масаи | Massai |
| mat | | | I/L | | | Matlatzinca, San Francisco | | | | | |
| mau | | | I/L | | | Mazatec, Huautla | | | | | |
| mav | | | I/L | | | Sateré-Mawé | | sateré-mawé | | | |
| maw | | | I/L | | | Mampruli | | | | | |
| max | | | I/L | | | Malay, North Moluccan | | | | | |
| maz | | | I/L | | | Mazahua Central | | | | центральный мазахуа | Zentral-Mazahua |
| mba | | | I/L | | | Higaonon | | | | | |
| mbb | | | I/L | | | Manobo, Western Bukidnon | | | | | West-Bukidnon-Manobo |
| mbc | | | I/L | | | Macushi | | macusí | | | |
| mbd | | | I/L | | | Manobo, Dibabawon | | | | | |
| mbe | | | I/E | | | Molale | | | | | |
| mbf | | | I/L | | | Malay, Baba | | | | | |
| (mbg) | | | I/L | | | Northern Nambikuára | | | | | |
| mbh | | | I/L | | | Mangseng | | | | | |
| mbi | | | I/L | | | Manobo, Ilianen | | | | | |
| mbj | | | I/L | | | Nadëb | | nadëb | | | |
| mbk | | | I/L | | | Malol | | | | | |
| mbl | | | I/L | | | Maxakalí | | | | | |
| mbm | | | I/L | | | Ombamba | | | | | |
| mbn | | | I/L | | | Macaguán | | | | | |
| mbo | | | I/L | | | Mbo (Cameroon) | | | | | |
| mbp | | | I/L | | | Malayo | | malayo | | | |
| mbq | | | I/L | | | Maisin | | | | маисин | Maisin |
| mbr | | | I/L | | | Nukak Makú | | | | | |
| mbs | | | I/L | | | Manobo, Sarangani | | | | | |
| mbt | | | I/L | | | Manobo, Matigsalug | | | | | |
| mbu | | | I/L | | | Mbula-Bwazza | | | | | |
| mbv | | | I/L | | | Mbulungish | | | | | |
| mbw | | | I/L | | | Maring | | maring | | | |
| mbx | | | I/L | | | Mari (East Sepik Province) | | | | марийский | |
| mby | | | I/L | | | Memoni | | | | | |
| mbz | | | I/L | | | Mixtec, Amoltepec | | | | | |
| mca | | | I/L | | | Maca | | | | | |
| mcb | | | I/L | | | Machiguenga | | machiguenga | | | |
| mcc | | | I/L | | | Bitur | | | | | |
| mcd | | | I/L | | | Sharanahua | | sharanahua | | | |
| mce | | | I/L | | | Mixtec, Itundujia | | | | | |
| mcf | | | I/L | | | Matsés | | matsés | | | |
| mcg | | | I/L | | | Mapoyo | | mapoyo | | | |
| mch | | | I/L | | | Maquiritari | | maquiritare | | | |
| mci | | | I/L | | | Mese | | | | | |
| mcj | | | I/L | | | Mvanip | | | | | |
| mck | | | I/L | | | Mbunda | | | | | |
| mcl | | | I/E | | | Macaguaje | | | | | |
| mcm | | | I/L | | | Malaccan Creole Portuguese | | | | | |
| mcn | | | I/L | | | Masana | | | | | |
| mco | | | I/L | | | Mixe, Coatlán | | | | | |
| mcp | | | I/L | | | Makaa | | | | макаа | |
| mcq | | | I/L | | | Ese | | | | | |
| mcr | | | I/L | | | Menya | | | | | |
| mcs | | | I/L | | | Mambai | | | | | |
| mct | | | I/L | | | Mengisa | | | | | |
| mcu | | | I/L | | | Mambila, Cameroon | | | | | |
| mcv | | | I/L | | | Minanibai | | | | | |
| mcw | | | I/L | | | Mawa (Chad) | | | | | |
| mcx | | | I/L | | | Mpiemo | | | | | |
| mcy | | | I/L | | | Watut, South | | | | | |
| mcz | | | I/L | | | Mawan | | | | | |
| mda | | | I/L | | | Mada (Nigeria) | | | | | |
| mdb | | | I/L | | | Morigi | | | | | |
| mdc | | | I/L | | | Male (Papua New Guinea) | | | | | |
| mdd | | | I/L | | | Mbum | | | 姆布姆语 | | |
| mde | | | I/L | | | Maba (Chad) | | | 马巴语 | | |
| mdf | | mdf | I/L | | мокша | Moksha | moksa | | 莫克沙语 | мокшанский | Mokschanisch |
| mdg | | | I/L | | | Massalat | | | | | |
| mdh | | | I/L | | | Maguindanao | | | | | |
| mdi | | | I/L | | | Mamvu | | | | | |
| mdj | | | I/L | | | Mangbetu | | | 芒贝图语 | | |
| mdk | | | I/L | | | Mangbutu | | | | | |
| mdl | | | I/L | | | Maltese Sign Language | | | 马耳他手语 | | |
| mdm | | | I/L | | | Mayogo | | | | | |
| mdn | | | I/L | | | Mbati | | | | | |
| (mdo) | | | I/L | | | Southwest Gbaya | | | | | |
| mdp | | | I/L | | | Mbala | | | | | |
| mdq | | | I/L | | | Mbole | | | | мболе | |
| mdr | | mdr | I/L | | | Mandar | mandar | | 曼达语 | | |
| mds | | | I/L | | | Maria (Papua New Guinea) | | | | | |
| mdt | | | I/L | | | Mbere | | | | | |
| mdu | | | I/L | | | Mboko | | | | | |
| mdv | | | I/L | | | Mixtec, Santa Lucía Monteverde | | | | | |
| mdw | | | I/L | | | Mbosi | | | | мбоши | |
| mdx | | | I/L | | | Dizi | | | | | |
| mdy | | | I/L | | | Male (Ethiopia) | | | | | |
| mdz | | | I/L | | | Suruí Do Pará | | suruí do Pará | | | |
| mea | | | I/L | | | Menka | | | | | |
| meb | | | I/L | | | Ikobi-Mena | | | | | |
| mec | | | I/L | | | Mara | | | | | |
| med | | | I/L | | | Melpa | | | | | |
| mee | | | I/L | | | Mengen | | | | менген | Mengen |
| mef | | | I/L | | | Megam | | | | | |
| (meg) | | | I/L | | | Mea | | | | | |
| meh | | | I/L | | | Mixtec, Southwestern Tlaxiaco | | | | | |
| mei | | | I/L | | | Midob | | | | | |
| mej | | | I/L | | | Meyah | | | | | |
| mek | | | I/L | | | Mekeo | | | | мекео | Mekeo |
| mel | | | I/L | | | Melanau | | | | | |
| mem | | | I/E | | | Mangala | | | | | |
| men | | men | I/L | | Mɛnde | Mende (Sierra Leone) | mendé | | 门德语 | менде | |
| meo | | | I/L | | | Malay, Kedah | | | | | |
| mep | | | I/L | | | Miriwung | | | | | |
| meq | | | I/L | | | Merey | | | | | |
| mer | | | I/L | | | Meru | | | 梅鲁语 | | |
| mes | | | I/L | | | Masmaje | | | | | |
| met | | | I/L | | | Mato | | | | | |
| meu | | | I/L | | | Motu | | | 莫图语 | моту | Motu |
| mev | | | I/L | | | Mann | | | | | |
| mew | | | I/L | | | Maaka | | | | | |
| mey | | | I/L | | | Hassaniyya | | | | | |
| mez | | | I/L | | Omāēqnomenew | Menominee | | menominee | 梅诺米尼语 | | |
| mfa | | | I/L | | Kecek Taning/Klate | Malay, Pattani | | | 亚维语 | | |
| mfb | | | I/L | | | Lom | | | | | |
| mfc | | | I/L | | | Mba | | | | | |
| mfd | | | I/L | | | Mendankwe-Nkwen | | | | | |
| mfe | | | I/L | | morisyin | Morisyen | | | | | |
| mff | | | I/L | | | Naki | | | | | |
| mfg | | | I/L | | | Mixifore | | | | | |
| mfh | | | I/L | | | Matal | | | | | |
| mfi | | | I/L | | | Wandala | | | | | |
| mfj | | | I/L | | | Mefele | | | | | |
| mfk | | | I/L | | | Mofu, North | | | | | |
| mfl | | | I/L | | | Putai | | | | | |
| mfm | | | I/L | | | Marghi South | | | | | |
| mfn | | | I/L | | | Mbembe, Cross River | | | | | |
| mfo | | | I/L | | | Mbe | | | | | |
| mfp | | | I/L | | | Malay, Makassar | | | | | |
| mfq | | | I/L | | | Moba | | | | | |
| mfr | | | I/L | | | Marithiel | | | | | |
| mfs | | | I/L | | | Mexican Sign Language | | | 墨西哥手语 | | |
| mft | | | I/L | | | Mokerang | | | | | |
| mfu | | | I/L | | | Mbwela | | | | | |
| mfv | | | I/L | | | Mandjak | | | | | |
| mfw | | | I/E | | | Mulaha | | | | | |
| mfx | | | I/L | | | Melo | | | | | |
| mfy | | | I/L | | Caíta | Mayo | | mayo | 马约语 | | |
| mfz | | | I/L | | | Mabaan | | | | | |
| mga | | mga | I/H | | | Irish, Middle (900-1200) | irlandais moyen | irlandés medio | 中古爱尔兰语 | среднеирландский | |
| mgb | | | I/L | | | Mararit | | | | | |
| mgc | | | I/L | | | Morokodo | | | | | |
| mgd | | | I/L | | | Moru | | | | | |
| mge | | | I/L | | | Mango | | | | | |
| mgf | | | I/L | | | Maklew | | | | | |
| mgg | | | I/L | | | Mpongmpong | | | | | |
| mgh | | | I/L | | | Makhuwa-Meetto | | | | | |
| mgi | | | I/L | | | Lijili | | | | | |
| mgj | | | I/L | | | Abureni | | | | | |
| mgk | | | I/L | | | Mawes | | | | | |
| mgl | | | I/L | | | Maleu-Kilenge | | | | | |
| mgm | | | I/L | | | Mambae | | | | мамбай | Mambae |
| mgn | | | I/L | | | Mbangi | | | | | |
| mgo | | | I/L | | | Meta' | | | | | |
| mgp | | | I/L | | | Magar, Eastern | | | | | |
| mgq | | | I/L | | | Malila | | | | | |
| mgr | | | I/L | | | Mambwe-Lungu | | | | | |
| mgs | | | I/L | | | Manda (Tanzania) | | | | манда | |
| mgt | | | I/L | | | Mongol | | | | | |
| mgu | | | I/L | | | Mailu | | | | | |
| mgv | | | I/L | | | Matengo | | | | | |
| mgw | | | I/L | | | Matumbi | | | | матумби | |
| (mgx) | | | I/L | | | Omati | | | | | |
| mgy | | | I/L | | | Mbunga | | | | | |
| mgz | | | I/L | | | Mbugwe | | | | мбугве | |
| mha | | | I/L | | | Manda (India) | | | | | |
| mhb | | | I/L | | | Mahongwe | | | | | |
| mhc | | | I/L | | | Mocho | | | | | |
| mhd | | | I/L | | | Mbugu | | | | | |
| mhe | | | I/L | | | Besisi | | | | | |
| mhf | | | I/L | | | Mamaa | | | | | |
| mhg | | | I/L | | | Margu | | | | | |
| (mhh) | | | I/L | | | Maskoy Pidgin | | | | | |
| mhi | | | I/L | | | Ma'di | | | | | |
| mhj | | | I/L | | | Mogholi | | | 莫戈勒语 | | |
| mhk | | | I/L | | | Mungaka | | | | | |
| mhl | | | I/L | | | Mauwake | | | | | |
| mhm | | | I/L | | | Makhuwa-Moniga | | | | | |
| mhn | | | I/L | | | Mócheno | | | 默切诺语 | | |
| mho | | | I/L | | | Mashi (Zambia) | | | | | |
| mhp | | | I/L | | | Malay, Balinese | | | | | |
| mhq | | | I/L | | Rų́ʼeta:re | Mandan | | mandan | | | |
| mhr | | | I/L | | | Mari, Eastern | | | 平地马里语; 东马里语 | | |
| mhs | | | I/L | | | Buru (Indonesia) | | | | буру | Buru |
| mht | | | I/L | | | Mandahuaca | | | | | |
| mhu | | | I/L | | | Digaro-Mishmi | | | 达让-僜语 | | |
| (mhv) | | | I/L | | | Arakanese | | | | | |
| mhw | | | I/L | | | Mbukushu | | | | | |
| mhx | | | I/L | | | Maru | | | 浪速语; 浪峨语 | | |
| mhy | | | I/L | | | Ma'anyan | | | | | |
| mhz | | | I/L | | | Mor (Mor Islands) | | | | | |
| mia | | | I/L | | | Miami | | | | | |
| mib | | | I/L | | | Mixtec, Atatláhuca | | | | | |
| mic | | mic | I/L | | Mi'gmaq | Micmac | micmac | micmac | 米克马克语 | микмак | |
| mid | | | I/L | | Mandāyì | Mandaic | | | 曼底安语 | | |
| mie | | | I/L | | | Mixtec, Ocotepec | | | | | |
| mif | | | I/L | | | Mofu-Gudur | | | | | |
| mig | | | I/L | | | Mixtec, San Miguel El Grande | | | | | |
| mih | | | I/L | | | Mixtec, Chayuco | | | | | |
| mii | | | I/L | | | Mixtec, Chigmecatitlán | | | | | |
| mij | | | I/L | | | Abar | | | | | |
| mik | | | I/L | | | Mikasuki | | mikasuki | | | |
| mil | | | I/L | | | Mixtec, Peñoles | | | | | |
| mim | | | I/L | | | Mixtec, Alacatlatzala | | | | | |
| min | | min | I/L | | Baso Minangkabau | Minangkabau | minangkabau | | 米南卡保语 | минангкабау | Minangkabau |
| mio | | | I/L | | | Mixtec, Pinotepa Nacional | | | | | |
| mip | | | I/L | | | Mixtec, Apasco-Apoala | | | | | |
| miq | | | I/L | | | Mískito | | miskito | | | |
| mir | | | I/L | | | Mixe, Isthmus | | | | | |
| mis | | mis | S/S | | | Uncoded languages | | | | | |
| mit | | | I/L | | | Mixtec, Southern Puebla | | | | | |
| miu | | | I/L | | | Mixtec, Cacaloxtepec | | | | | |
| (miv) | | | I/L | | | Mimi | | | | | |
| miw | | | I/L | | | Akoye | | | | | |
| mix | | | I/L | | | Mixtec, Mixtepec | | | | | |
| miy | | | I/L | | | Mixtec, Ayutla | | | | | |
| miz | | | I/L | | | Mixtec, Coatzospan | | | | | |
| (mja) | | | I/L | | | Mahei | | | | | |
| mjb | | | I/L | Trans–New Guinea | | Makalero | | | | | |
| mjc | | | I/L | | | Mixtec, San Juan Colorado | | | | | |
| mjd | | | I/L | | | Maidu, Northwest (Konkow) | | | | | |
| mje | | | I/E | | | Muskum | | | | | |
| mjg | | | I/L | | | Tu | | | 土族语 | | |
| mjh | | | I/L | | | Mwera (Nyasa) | | | | | |
| mji | | | I/L | | | Kim Mun | | | 平地瑶话; 金门话 | | |
| mjj | | | I/L | | | Mawak | | | | | |
| mjk | | | I/L | | | Matukar | | | | | |
| mjl | | | I/L | | | Mandeali | | | | | |
| mjm | | | I/L | | | Medebur | | | | | |
| mjn | | | I/L | | | Ma (Papua New Guinea) | | | | | |
| mjo | | | I/L | | | Malankuravan | | | | | |
| mjp | | | I/L | | | Malapandaram | | | | | |
| mjq | | | I/E | | | Malaryan | | | | | |
| mjr | | | I/L | | | Malavedan | | | | | |
| mjs | | | I/L | | | Miship | | | | | |
| mjt | | | I/L | | | Sauria Paharia | | | | | |
| mju | | | I/L | | | Manna-Dora | | | | | |
| mjv | | | I/L | | | Mannan | | | | | |
| mjw | | | I/L | | | Karbi | | | | | |
| mjx | | | I/L | | | Mahali | | | | | |
| mjy | | | I/E | | | Mahican | | | | | |
| mjz | | | I/L | | | Majhi | | | 摩杰语 | | |
| mka | | | I/L | | | Mbre | | | | | |
| mkb | | | I/L | | | Mal Paharia | | | | | |
| mkc | | | I/L | | | Siliput | | | | | |
| mkd | mk | mac | I/L | Indo-European | македонски | Macedonian | macédonien | macedonio | 马其顿语 | македонский | Mazedonisch |
| mke | | | I/L | | | Mawchi | | | | | |
| mkf | | | I/L | | | Miya | | | | | |
| mkg | | | I/L | | | Mak (China) | | | 莫语 | | |
| mki | | | I/L | | | Dhatki | | | | | |
| mkj | | | I/L | | | Mokilese | | | | | |
| mkk | | | I/L | | | Byep | | | | | |
| mkl | | | I/L | | | Mokole | | | | | |
| mkm | | | I/L | | | Moklen | | | 莫肯语 | | |
| mkn | | | I/L | | | Malay, Kupang | | | | | |
| mko | | | I/L | | | Mingang Doso | | | | | |
| mkp | | | I/L | | | Moikodi | | | | | |
| mkq | | | I/E | | | Miwok, Bay | | | | | |
| mkr | | | I/L | | | Malas | | | | | |
| mks | | | I/L | | | Mixtec, Silacayoapan | | | | | |
| mkt | | | I/L | | | Vamale | | | | | |
| mku | | | I/L | | | Maninka, Konyanka | | | | | |
| mkv | | | I/L | | | Mafea | | | | | |
| mkw | | | I/L | | | Kituba (Congo) | | | | | |
| mkx | | | I/L | | | Manobo, Cinamiguin | | | | | |
| mky | | | I/L | | | Makian, East | | | | | |
| mkz | | | I/L | | | Makasae | | | | | |
| mla | | | I/L | | | Malo | | | | | |
| mlb | | | I/L | | | Mbule | | | | | |
| mlc | | | I/L | | | Cao Lan | | | 高栏语 | | |
| (mld) | | | I/L | | | Malakhel | | | | | |
| mle | | | I/L | | | Manambu | | | | | |
| mlf | | | I/L | | | Mal | | | | | |
| mlg | mg | mlg | M/L | Austronesian | Malagasy | Malagasy | malgache | mal(a)gache | 马达加斯加语、马拉加西语 | малагасийский | Madegassisch |
| mlh | | | I/L | | | Mape | | | | | |
| mli | | | I/L | | | Malimpung | | | | | |
| mlj | | | I/L | | | Miltu | | | | | |
| mlk | | | I/L | | | Malakote | | | | | |
| mll | | | I/L | | | Malua Bay | | | | | |
| mlm | | | I/L | | | Mulam | | | 仫佬语 | | |
| mln | | | I/L | | | Malango | | | | | |
| mlo | | | I/L | | | Mlomp | | | | | |
| mlp | | | I/L | | | Bargam | | | | | |
| mlq | | | I/L | | | Maninkakan, Western | | | | | |
| mlr | | | I/L | | | Vame | | | | | |
| mls | | | I/L | | | Masalit | | | | | |
| mlt | mt | mlt | I/L | Afro-Asiatic | bil-Malta | Maltese | maltais | maltés | 马耳他语; 马尔他语 | мальтийский | Maltesisch |
| mlu | | | I/L | | | To'abaita | | | | | To'abaita |
| mlv | | | I/L | | | Motlav | | | | | |
| mlw | | | I/L | | | Moloko | | | | | |
| mlx | | | I/L | | | Malfaxal | | | | | |
| (mly) | | | I/L | | | Malay (individual language) | | | | | |
| mlz | | | I/L | | | Malaynon | | | | | |
| mma | | | I/L | | | Mama | | | | | |
| mmb | | | I/L | | | Momina | | | | | |
| mmc | | | I/L | | | Mazahua, Michoacán | | | | | |
| mmd | | | I/L | | | Maonan | | | 毛南语 | | |
| mme | | | I/L | | | Mae | | | | | |
| mmf | | | I/L | | | Mundat | | | | | |
| mmg | | | I/L | | | Ambrym, North | | | | | |
| mmh | | | I/L | | | Mehináku | | | | | |
| mmi | | | I/L | | | Musar | | | | | |
| mmj | | | I/L | | | Majhwar | | | | | |
| mmk | | | I/L | | | Mukha-Dora | | | | | |
| mml | | | I/L | | | Man Met | | | | | |
| mmm | | | I/L | | | Maii | | | | | |
| mmn | | | I/L | | | Mamanwa | | | | | |
| mmo | | | I/L | | | Buang, Mangga | | | | | |
| mmp | | | I/L | | | Musan | | | | | |
| mmq | | | I/L | | | Musak | | | | | |
| mmr | | | I/L | | | Hmong, Western Xiangxi | | | 西红苗话 | | |
| (mms) | | | I/L | | | Mam, Southern | | | | | |
| mmt | | | I/L | | | Malalamai | | | | | |
| mmu | | | I/L | | | Mmaala | | | | | |
| mmv | | | I/E | | | Miriti | | | | | |
| mmw | | | I/L | | | Emae | | | | | |
| mmx | | | I/L | | | Madak | | | | | |
| mmy | | | I/L | | | Migaama | | | | | |
| mmz | | | I/L | | | Mabaale | | | | | |
| mna | | | I/L | | | Mbula | | | | | |
| mnb | | | I/L | | | Muna | | | | | Muna |
| mnc | | mnc | I/L | | ᠮᠠᠨᠵᡠ ᡤᡳᠰᡠᠨ | Manchu | mandchou | | 满语 | манчу | Mandschurisch |
| mnd | | | I/L | | | Mondé | | mondé | | | |
| mne | | | I/L | | | Naba | | | | | |
| mnf | | | I/L | | | Mundani | | | | | |
| mng | | | I/L | | | Mnong, Eastern | | | | | |
| mnh | | | I/L | | | Mono (Democratic Republic of Congo) | | | | | |
| mni | | mni | I/L | Sino-Tibetan | মৈইতৈইলোন | Meitei | manipuri | manipurí | 曼尼普尔语 | манипури | Manipuri |
| mnj | | | I/L | | | Munji | | | | | |
| mnk | | | I/L | | | Mandinka | | | 曼丁哥语 | | |
| mnl | | | I/L | | | Tiale | | | | | |
| mnm | | | I/L | | | Mapena | | | | | |
| mnn | | | I/L | | | Mnong, Southern | | | | | |
| mnp | | | I/L | Chinese | 闽北 | Min Bei Chinese | | | 閩北語 | | |
| mnq | | | I/L | | | Minriq | | | | | |
| mnr | | | I/L | | | Mono (USA) | | mono | | моно | Mono |
| mns | | | I/L | Uralic | ма̄ньси | Mansi | mansi | mansi | 曼西语 | мансийский | Mansisch |
| (mnt) | | | I/E | | | Maykulan | | | | | |
| mnu | | | I/L | | | Mer | | | | | |
| mnv | | | I/L | | | Rennell-Belona | | | | | Rennell-Belona |
| mnw | | | I/L | | ဘာသာမန် | Mon | | | 孟语 | | |
| mnx | | | I/L | | | Manikion | | | | | |
| mny | | | I/L | | | Manyawa | | | | | |
| mnz | | | I/L | | | Moni | | | | | |
| moa | | | I/L | | | Mwan | | | | | |
| (mob) | | | I/L | | | Moinba | | | | | |
| moc | | | I/L | | | Mocoví | | | | | |
| mod | | | I/E | | | Mobilian | | mobilio | | | |
| moe | | | I/L | | | Montagnais | | montañés | | | |
| (mof) | | | I/E | | | Mohegan-Montauk-Narragansett | | | | | |
| mog | | | I/L | | | Mongondow | | | | монгондо | Mongondow |
| moh | | moh | I/L | | Kanien’kéha | Mohawk | mohawk | mohawk | 莫霍克语 | мохаук | Mohawk |
| moi | | | I/L | | | Mboi | | | | | |
| moj | | | I/L | | | Monzombo | | | | | |
| mok | | | I/L | | | Morori | | | | | |
| (mol) | (mo) | (mol) | I/L | | | Moldavian | | | | | |
| mom | | | I/E | | | Monimbo | | | | | |
| mon | mn | mon | M/L | Mongolic | монгол | Mongolian | mongol | mongol | 蒙古语 | монгольский | Mongolisch |
| moo | | | I/L | | | Monom | | | | | |
| mop | | | I/L | | | Mopán Maya | | | | | |
| moq | | | I/L | | | Mor (Bomberai Peninsula) | | | | | |
| mor | | | I/L | | | Moro | | | | | |
| mos | | mos | I/L | | Mòoré | Mossi | moré | | 莫西语 | моей | Mòoré |
| mot | | | I/L | | | Barí | | barí | | | |
| mou | | | I/L | | | Mogum | | | | | |
| mov | | | I/L | | | Mohave | | mohave | 莫哈维语 | | |
| mow | | | I/L | | | Moi (Congo) | | | | | |
| mox | | | I/L | | | Molima | | | | | |
| moy | | | I/L | | | Shekkacho | | | | | |
| moz | | | I/L | | | Mukulu | | | | | |
| mpa | | | I/L | | | Mpoto | | | | | |
| mpb | | | I/L | | | Mullukmulluk | | | | | |
| mpc | | | I/L | | | Mangarayi | | | | | |
| mpd | | | I/L | | | Machinere | | | | | |
| mpe | | | I/L | | | Majang | | | | | |
| (mpf) | | | I/L | | | Mam, Tajumulco | | | | | |
| mpg | | | I/L | | | Marba | | | | | |
| mph | | | I/L | | | Maung | | | | | |
| mpi | | | I/L | | | Mpade | | | | | |
| mpj | | | I/L | | | Martu Wangka | | | | | |
| mpk | | | I/L | | | Mbara (Chad) | | | | | |
| mpl | | | I/L | | | Watut, Middle | | | | | |
| mpm | | | I/L | | | Mixtec, Yosondúa | | | | | |
| mpn | | | I/L | | | Mindiri | | | | | |
| mpo | | | I/L | | | Miu | | | | | |
| mpp | | | I/L | | | Migabac | | | | | |
| mpq | | | I/L | | | Matís | | | | | |
| mpr | | | I/L | | | Vangunu | | | | | |
| mps | | | I/L | | | Dadibi | | | | | |
| mpt | | | I/L | | | Mian | | | | | |
| mpu | | | I/L | | | Makuráp | | makuráp | | | |
| mpv | | | I/L | | | Munkip | | | | | |
| mpw | | | I/L | | | Mapidian | | | | | |
| mpx | | | I/L | | | Misima-Paneati | | | | мисима-панеати | Misima-Paneati |
| mpy | | | I/L | | | Mapia | | | | | |
| mpz | | | I/L | | | Mpi | | | | | |
| mqa | | | I/L | | | Maba (Indonesia) | | | | | |
| mqb | | | I/L | | | Mbuko | | | | | |
| mqc | | | I/L | | | Mangole | | | | | |
| (mqd) | | | I/L | | | Madang | | | | | |
| mqe | | | I/L | | | Matepi | | | | | |
| mqf | | | I/L | | | Momuna | | | | | |
| mqg | | | I/L | | | Malay, Kota Bangun Kutai | | | | | |
| mqh | | | I/L | | | Mixtec, Tlazoyaltepec | | | | | |
| mqi | | | I/L | | | Mariri | | | | | |
| mqj | | | I/L | | | Mamasa | | | | | |
| mqk | | | I/L | | | Manobo, Rajah Kabunsuwan | | | | | |
| mql | | | I/L | | | Mbelime | | | | | |
| mqm | | | I/L | | | Marquesan, South | | | 南马克萨斯语 | | |
| mqn | | | I/L | | | Moronene | | | | | |
| mqo | | | I/L | | | Modole | | | | | |
| mqp | | | I/L | | | Manipa | | | | | |
| mqq | | | I/L | | | Minokok | | | | | |
| mqr | | | I/L | | | Mander | | | | | |
| mqs | | | I/L | | | Makian, West | | | | | |
| mqt | | | I/L | | | Mok | | | | | |
| mqu | | | I/L | | | Mandari | | | | | |
| mqv | | | I/L | | | Mosimo | | | | | |
| mqw | | | I/L | | | Murupi | | | | | |
| mqx | | | I/L | | | Mamuju | | | | | |
| mqy | | | I/L | | | Manggarai | | | 芒加莱语 | манггарай | Manggarei |
| mqz | | | I/L | | | Malasanga | | | | | |
| mra | | | I/L | | | Mlabri | | | 马拉比语 | | |
| mrb | | | I/L | | | Marino | | | | | |
| mrc | | | I/L | | | Maricopa | | maricopa | | | |
| mrd | | | I/L | | | Magar, Western | | | | | |
| mre | | | I/E | | | Martha's Vineyard Sign Language | | | 马萨葡萄园手语 | | |
| mrf | | | I/L | | | Elseng | | | | | |
| mrg | | | I/L | | | Miri | | | | | |
| mrh | | | I/L | | | Chin, Mara | | | | | |
| mri | mi | mao | I/L | Austronesian | te reo Māori | Maori | maori | maorí | 毛利语 | маори | Maori |
| mrj | | | I/L | | | Mari, Western | | | 山地马里语; 西马里语 | | |
| mrk | | | I/L | | | Hmwaveke | | | | | |
| mrl | | | I/L | | | Mortlockese | | | | | |
| mrm | | | I/L | | | Merlav | | | | | |
| mrn | | | I/L | | | Cheke Holo | | | | | |
| mro | | | I/L | | | Mru | | | | | |
| mrp | | | I/L | | | Morouas | | | | | |
| mrq | | | I/L | | | Marquesan, North | | | 北马克萨斯语 | (сев.) маркесанский | Nord-Marquesanisch |
| mrr | | | I/L | | | Maria (India) | | | | | |
| mrs | | | I/L | | | Maragus | | | | | |
| mrt | | | I/L | | | Marghi Central | | | | | |
| mru | | | I/L | | | Mono (Cameroon) | | | | | |
| mrv | | | I/L | | | Mangareva | | | | мангарева | Mangareva |
| mrw | | | I/L | | Austronesian | Maranao | Maranao | | 马拉瑙语 | маранао | Maranao |
| mrx | | | I/L | | | Maremgi | | | | | |
| mry | | | I/L | | | Mandaya, Karaga | | | | | |
| mrz | | | I/L | | | Marind | | | 马林德语 | | |
| msa | ms | may | M/L | Austronesian | bahasa Melayu | Malay (generic) | malais | malayo | 马来语 | малайский | Malaiisch |
| msb | | | I/L | | | Masbatenyo | | | | | |
| msc | | | I/L | | | Maninka, Sankaran | | | | | |
| msd | | | I/L | | | Yucatec Maya Sign Language | | | 尤卡坦玛雅手语 | | |
| mse | | | I/L | | | Musey | | | | | |
| msf | | | I/L | | | Mekwei | | | | | |
| msg | | | I/L | | | Moraid | | | | | |
| msh | | | I/L | | | Malagasy, Masikoro | | | | | |
| msi | | | I/L | | | Malay, Sabah | | | | | |
| msj | | | I/L | | | Ma (Democratic Republic of Congo) | | | | | |
| msk | | | I/L | | | Mansaka | | | | | |
| msl | | | I/L | | | Molof | | | | | |
| msm | | | I/L | | | Manobo, Agusan | | | | | |
| msn | | | I/L | | | Mosina | | | | | |
| mso | | | I/L | | | Mombum | | | | | |
| msp | | | I/E | | | Maritsauá | | maritsauá | | | |
| msq | | | I/L | | | Caac | | | | | |
| msr | | | I/L | | | Mongolian Sign Language | | | 蒙古手语 | | |
| mss | | | I/L | | | Masela, West | | | | | |
| (mst) | | | I/L | | | Mandaya, Cataelano | | | | | |
| msu | | | I/L | | | Musom | | | | | |
| msv | | | I/L | | | Maslam | | | | | |
| msw | | | I/L | | | Mansoanka | | | | | |
| msx | | | I/L | | | Moresada | | | | | |
| msy | | | I/L | | | Aruamu | | | | | |
| msz | | | I/L | | | Momare | | | | | |
| mta | | | I/L | | | Manobo, Cotabato | | | | | |
| mtb | | | I/L | | | Anyin Morofo | | | | | |
| mtc | | | I/L | | | Munit | | | | | |
| mtd | | | I/L | | | Mualang | | | | | |
| mte | | | I/L | | | Mono (Solomon Islands) | | | | | |
| mtf | | | I/L | | | Murik | | | | | |
| mtg | | | I/L | | | Una | | | | | |
| mth | | | I/L | | | Munggui | | | | | |
| mti | | | I/L | | | Maiwa (Papua New Guinea) | | | | | |
| mtj | | | I/L | | | Moskona | | | | | |
| mtk | | | I/L | | | Mbe' | | | | | |
| mtl | | | I/L | | | Montol | | | | | |
| mtm | | | I/E | | | Mator | | | | | |
| mtn | | | I/E | | | Matagalpa | | matagalpa | | | |
| mto | | | I/L | | | Mixe, Totontepec | | | | | |
| mtp | | | I/L | | | Wichí Lhamtés Nocten | | | | | |
| mtq | | | I/L | | Mường | Muong | | | 芒语 | | |
| mtr | | | I/L | | | Mewari | | | | мевари | |
| mts | | | I/L | | | Yora | | yora | | | |
| mtt | | | I/L | | | Mota | | | | мота | Mota |
| mtu | | | I/L | | | Mixtec, Tututepec | | | | | |
| mtv | | | I/L | | | Asaro'o | | | | | |
| mtw | | | I/L | | | Magahat | | | | | |
| mtx | | | I/L | | | Mixtec, Tidaá | | | | | |
| mty | | | I/L | | | Nabi | | | | | |
| (mtz) | | | I/L | | | Tacanec | | tacaneco | | | |
| mua | | | I/L | | | Mundang | Moundang | | | | |
| mub | | | I/L | | | Mubi | | | | | |
| muc | | | I/L | | | Mbu' | | | | | |
| mud | | | I/L | | | Aleut, Mednyj | | | | | |
| mue | | | I/L | | | Media Lengua | | | | | |
| mug | | | I/L | | | Musgu | | | | | |
| muh | | | I/L | | | Mündü | | | | | |
| mui | | | I/L | | | Musi | | | | | |
| muj | | | I/L | | | Mabire | | | | | |
| muk | | | I/L | | | Mugom | | | | | |
| mul | | mul | S/S | | * | (Multiple) | (multiple) | | | разных семей языки | (Mehrere) |
| mum | | | I/L | | | Maiwala | | | | | |
| muo | | | I/L | | | Nyong | | | | | |
| mup | | | I/L | | | Malvi | | | | | |
| muq | | | I/L | | | Hmong, Eastern Xiangxi | | | 东红苗话 | | |
| mur | | | I/L | | | Murle | | | | | |
| mus | | mus | I/L | | Mvskokē | Creek | muskogee | maskoki | 克里克语; 穆斯科格语 | крик | |
| mut | | | I/L | | | Muria, Western | | | | | |
| muu | | | I/L | | | Yaaku | | | | | |
| muv | | | I/L | | | Muthuvan | | | | | |
| (muw) | | | I/L | | | Mundari | | | | | |
| mux | | | I/L | | | Mbo-Ung | | | | | |
| muy | | | I/L | | | Muyang | | | | | |
| muz | | | I/L | | | Mursi | | | | | |
| mva | | | I/L | | | Manam | | | | | |
| mvb | | | I/E | | | Mattole | | | | | |
| (mvc) | | | I/L | | | Mam, Central | | mam central | | | |
| mvd | | | I/L | | | Mamboru | | | | мамбору | Mamboru |
| mve | | | I/L | | | Marwari (Pakistan) | | | | | |
| mvf | | | I/L | | | Mongolian, Peripheral | | | 内蒙古话 | | |
| mvg | | | I/L | | | Mixtec, Yucuañe | | | | | |
| mvh | | | I/L | | | Mire | | | | | |
| mvi | | | I/L | | | Miyako | | | 宫古琉球语 | | |
| (mvj) | | | I/L | | | Mam, Todos Santos Cuchumatán | | | | | |
| mvk | | | I/L | | | Mekmek | | | | | |
| mvl | | | I/E | | | Mbara (Australia) | | | | | |
| (mvm) | | | I/L | | | Muya | | | 木雅语 | | |
| mvn | | | I/L | | | Minaveha | | | | | |
| mvo | | | I/L | | | Marovo | | | | | |
| mvp | | | I/L | | | Duri | | | | | |
| mvq | | | I/L | | | Moere | | | | | |
| mvr | | | I/L | | | Marau | | | | | |
| mvs | | | I/L | | | Massep | | | | | |
| mvt | | | I/L | | | Mpotovoro | | | | | |
| mvu | | | I/L | | | Marfa | | | | | |
| mvv | | | I/L | | | Tagal Murut | | | | | |
| mvw | | | I/L | | | Machinga | | | | | |
| mvx | | | I/L | | | Meoswar | | | | | |
| mvy | | | I/L | | | Kohistani, Indus | | | | | |
| mvz | | | I/L | | | Mesqan | | | | | |
| mwa | | | I/L | | | Mwatebu | | | | | |
| mwb | | | I/L | | | Juwal | | | | | |
| mwc | | | I/L | | | Are | | | | | |
| (mwd) | | | I/L | | | Mudbura | | | | | |
| mwe | | | I/L | | | Mwera (Chimwera) | | | | | |
| mwf | | | I/L | | | Murrinh-Patha | | | | | |
| mwg | | | I/L | | | Aiklep | | | | | |
| mwh | | | I/L | | | Mouk-Aria | | | | моук-ариа | Mouk-Aria |
| mwi | | | I/L | | | Labo | | | | | |
| (mwj) | | | I/L | | | Maligo | | | | | |
| mwk | | | I/L | | | Maninkakan, Kita | | | | | |
| mwl | | mwl | I/L | | mirandês | Mirandese | mirandais | mirandés | 米兰德斯语 | | Mirandês |
| mwm | | | I/L | | | Sar | | | | | |
| mwn | | | I/L | | | Nyamwanga | | | | | |
| mwo | | | I/L | | | Maewo, Central | | | | | Zentral-Maewo |
| mwp | | | I/L | | | Kala Lagaw Ya | | | | | |
| mwq | | | I/L | | | Chin, Mün | | | | | |
| mwr | | mwr | M/L | | मारवाड़ी | Marwari | marvari | marwari | 马尔瓦利语 | марвари | |
| mws | | | I/L | | | Mwimbi-Muthambi | | | | | |
| mwt | | | I/L | | | Moken | | | | | |
| mwu | | | I/E | | | Mittu | | | | | |
| mwv | | | I/L | | | Mentawai | | | 民大威语; 明打威语 | | |
| mww | | | I/L | | | Hmong Daw | | | 白苗话 | | |
| (mwx) | | | I/L | | | Mediak | | | | | |
| (mwy) | | | I/L | | | Mosiro | | | | | |
| mwz | | | I/L | | | Moingi | | | | | |
| mxa | | | I/L | | | Mixtec, Northwest Oaxaca | | | | | |
| mxb | | | I/L | | | Mixtec, Tezoatlán | | | | | |
| mxc | | | I/L | | | Manyika | | | | маньика | |
| mxd | | | I/L | | | Modang | | | | моданг | Modang |
| mxe | | | I/L | | | Mele-Fila | | | | меле-фила | Mele-Fila |
| mxf | | | I/L | | | Malgbe | | | | | |
| mxg | | | I/L | | | Mbangala | | | | | |
| mxh | | | I/L | | | Mvuba | | | | | |
| mxi | | | I/H | | مُزَرَب | Mozarabic | | mozárabe | 莫札拉布语 | | |
| mxj | | | I/L | | | Miju-Mishmi | | | 格曼-僜语 | | |
| mxk | | | I/L | | | Monumbo | | | | | |
| mxl | | | I/L | | | Gbe, Maxi | | | | | |
| mxm | | | I/L | | | Meramera | | | | | |
| mxn | | | I/L | | | Moi (Indonesia) | | | | | |
| mxo | | | I/L | | | Mbowe | | | | | |
| mxp | | | I/L | | | Mixe, Tlahuitoltepec | | | | | |
| mxq | | | I/L | | | Mixe, Juquila | | mixe de Juquila | | | |
| mxr | | | I/L | | | Kayan, Murik | | | | | |
| mxs | | | I/L | | | Mixtec, Huitepec | | | | | |
| mxt | | | I/L | | | Mixtec, Jamiltepec | | | | | |
| mxu | | | I/L | | | Mada (Cameroon) | | | | | |
| mxv | | | I/L | | | Mixtec, Metlatónoc | | | | | |
| mxw | | | I/L | | | Namo | | | | | |
| mxx | | | I/L | | | Mahou | | | | | |
| mxy | | | I/L | | | Mixtec, Southeastern Nochixtlán | | | | | |
| mxz | | | I/L | | | Masela, Central | | | | (центр.) масела | |
| mya | my | bur | I/L | Sino-Tibetan | မြန်မာစာ | Burmese | birman | birmano | 缅甸语 | бирманский | Burmesisch |
| myb | | | I/L | | | Mbay | | | | | |
| myc | | | I/L | | | Mayeka | | | | | |
| (myd) | | | I/L | | | Maramba | | | | | |
| mye | | | I/L | | | Myene | | | | мьене | |
| myf | | | I/L | | | Bambassi | | | | | |
| myg | | | I/L | | | Manta | | | | | |
| myh | | | I/L | | | Makah | | | | | |
| (myi) | | | I/L | | | Mina (India) | | | | | |
| myj | | | I/L | | | Mangayat | | | | | |
| myk | | | I/L | | | Senoufo, Mamara | | | | | |
| myl | | | I/L | | | Moma | | | | | |
| mym | | | I/L | | | Me'en | | | | | |
| myo | | | I/L | | | Anfillo | | | | | |
| myp | | | I/L | | Hi'aiti'ihi' | Pirahã | | pirahã | 皮拉罕语 | | |
| (myq) | | | I/L | | | Maninka, Forest | | | | | |
| myr | | | I/L | | | Muniche | | | | | |
| mys | | | I/E | | | Mesmes | | | | | |
| (myt) | | | I/L | | | Mandaya, Sangab | | | | | |
| myu | | | I/L | | | Mundurukú | | mundurukú | | | |
| myv | | myv | I/L | | эрзя | Erzya | erza | mordvino | 厄尔兹亚语 | эрзянский | Ersjanisch |
| myw | | | I/L | | | Muyuw | | | | | |
| myx | | | I/L | | | Masaba | | | | масаба | |
| myy | | | I/L | | | Macuna | | | | | |
| myz | | | I/H | | | Mandaic, Classical | | | 古典曼底安语 | | |
| mza | | | I/L | | | Mixtec, Santa María Zacatepec | | | | | |
| mzb | | | I/L | | تومزابت | Tumzabt | | | | | |
| mzc | | | I/L | | | Madagascar Sign Language | | | 马达加斯加手语 | | |
| mzd | | | I/L | | | Malimba | | | | | |
| mze | | | I/L | | | Morawa | | | | | |
| (mzf) | | | I/L | | | Aiku | | | | | |
| mzg | | | I/L | | | Monastic Sign Language | | | 修士手语 | | |
| mzh | | | I/L | | | Wichí Lhamtés Güisnay | | | | | |
| mzi | | | I/L | | | Mazatec, Ixcatlán | | | | | |
| mzj | | | I/L | | | Manya | | | | | |
| mzk | | | I/L | | | Mambila, Nigeria | | | | | |
| mzl | | | I/L | | | Mixe, Mazatlán | | | | | |
| mzm | | | I/L | | | Mumuye | | | 穆穆耶语 | | |
| mzn | | | I/L | | | Mazanderani | | | 马赞德兰语 | | |
| mzo | | | I/E | | | Matipuhy | | matipuhy | | | |
| mzp | | | I/L | | | Movima | | | | | |
| mzq | | | I/L | | | Mori Atas | | | | | |
| mzr | | | I/L | | | Marúbo | | | | | |
| mzs | | | I/L | | | Macanese | | | 澳门土语 | | |
| mzt | | | I/L | | | Mintil | | | | | |
| mzu | | | I/L | | | Inapang | | | | | |
| mzv | | | I/L | | | Manza | | | | | |
| mzw | | | I/L | | | Deg | | | | | |
| mzx | | | I/L | | | Mawayana | | | | | |
| mzy | | | I/L | | | Mozambican Sign Language | | | 莫桑比克手语 | | Mozambikanische Zeichensprache |
| mzz | | | I/L | | | Maiadomu | | | | | |