ISO 639:c

|-
!`[[ISO 639:caa|caa]]` 
| || ||I/L||Mayan||čorti'||Chortí||
|-
!`[[ISO 639:cab|cab]]` 
| || ||I/L||Arawakan|| ||Garifuna||
|-
!`[[ISO 639:cac|cac]]` 
| || ||I/L||Mayan|| ||Chuj||
|-
!`[[ISO 639:cad|cad]]` 
| ||`cad`||I/L||Caddoan||Hasí:nay||Caddo||
|-
!`[[ISO 639:cae|cae]]` 
| || ||I/L||Niger-Congo|| ||Laalaa; Lehar||
|-
!`[[ISO 639:caf|caf]]` 
| || ||I/L||Dené-Yeniseian||ᑕᗸᒡ||Southern Carrier||
|-
!`[[ISO 639:cag|cag]]` 
| || ||I/L||Matacoan|| ||Nivaclé||
|-
!`[[ISO 639:cah|cah]]` 
| || ||I/L||Zaparoan|| ||Cahuarano||
|-
!`[[ISO 639:caj|caj]]` 
| || ||I/E||Arawakan|| ||Chané||
|-
!`[[ISO 639:cak|cak]]` 
| || ||I/L||Mayan|| ||Cakchiquel; Kaqchikel||
|-
!`[[ISO 639:cal|cal]]` 
| || ||I/L||Austronesian|| ||Carolinian||
|-
!`[[ISO 639:cam|cam]]` 
| || ||I/L||Austronesian|| ||Cemuhî||
|-
!`[[ISO 639:can|can]]` 
| || ||I/L||Ramu-Lower Sepik|| ||Chambri||
|-
!`[[ISO 639:cao|cao]]` 
| || ||I/L||Panoan|| ||Chácobo||
|-
!`[[ISO 639:cap|cap]]` 
| || ||I/L||Uru-Chipaya|| ||Chipaya||
|-
!`[[ISO 639:caq|caq]]` 
| || ||I/L||Austroasiatic|| ||Car Nicobarese||
|-
!`[[ISO 639:car|car]]` 
| ||`car`||I/L||Cariban|| ||Galibi Carib||
|-
!`[[ISO 639:cas|cas]]` 
| || ||I/L||Moseten-Chonan|| ||Tsimané||
|-
!`[[ISO 639:cat|cat]]` 
|`ca`||`cat`||I/L||Indo-European||català||Catalan; Valencian||
|-
!`[[ISO 639:cav|cav]]` 
| || ||I/L||Pano-Tacanan|| ||Cavineña||
|-
!`[[ISO 639:caw|caw]]` 
| || ||I/L||mixed: Puquina and Quechua|| ||Callawalla||
|-
!`[[ISO 639:cax|cax]]` 
| || ||I/L||isolate|| ||Chiquitano||
|-
!`[[ISO 639:cay|cay]]` 
| || ||I/L||Iroquian||Goyogo̱hó:nǫ’||Cayuga||
|-
!`[[ISO 639:caz|caz]]` 
| || ||I/E||Tequiraca-Canichana|| ||Canichana||
|-
!`[[ISO 639:cbb|cbb]]` 
| || ||I/L||Arawakan|| ||Cabiyarí||
|-
!`[[ISO 639:cbc|cbc]]` 
| || ||I/L||Tucanoan|| ||Carapana||
|-
!`[[ISO 639:cbd|cbd]]` 
| || ||I/L||Cariban|| ||Carijona||
|-
!(`[[ISO 639:cbe|cbe]]`) 
| || ||I/E||spurious language|| ||Chipiajes||
|-
!`[[ISO 639:cbg|cbg]]` 
| || ||I/L||Chibchan|| ||Chimila||
|-
!(`[[ISO 639:cbh|cbh]]`) 
| || ||I/E||spurious language|| ||Cagua||
|-
!`[[ISO 639:cbi|cbi]]` 
| || ||I/L||Barbarcoan|| ||Chachi||
|-
!`[[ISO 639:cbj|cbj]]` 
| || ||I/L||Niger-Congo|| ||Ede Cabe||
|-
!`[[ISO 639:cbk|cbk]]` 
| || ||I/L||Spanish-based creole|| ||Chavacano||
|-
!`[[ISO 639:cbl|cbl]]` 
| || ||I/L||Sino-Tibetan|| ||Bualkhaw Chin||
|-
!(`[[ISO 639:cbm|cbm]]`) 
| || ||I/L||Mayan|| ||Yepocapa Southwestern Cakchiquel||
|-
!`[[ISO 639:cbn|cbn]]` 
| || ||I/L||Austroasiatic|| ||Nyahkur||
|-
!`[[ISO 639:cbo|cbo]]` 
| || ||I/L||Niger-Congo|| ||Izora||
|-
!`[[ISO 639:cbq|cbq]]` 
| || ||I/L||Niger–Congo|| ||Cuba; Tsucuba||
|-
!`[[ISO 639:cbr|cbr]]` 
| || ||I/L||Panoan|| ||Cashibo-Cacataibo||
|-
!`[[ISO 639:cbs|cbs]]` 
| || ||I/L||Panoan|| ||Cashinahua||
|-
!`[[ISO 639:cbt|cbt]]` 
| || ||I/L||Cahuapanan|| ||Chayahuita||
|-
!`[[ISO 639:cbu|cbu]]` 
| || ||I/L||isolate|| ||Candoshi-Shapra||
|-
!`[[ISO 639:cbv|cbv]]` 
| || ||I/L||Puinave-Maku|| ||Cacua||
|-
!`[[ISO 639:cbw|cbw]]` 
| || ||I/L||Austronesian|| ||Kinabalian||
|-
!`[[ISO 639:cby|cby]]` 
| || ||I/L||Ticuna-Yuri|| ||Carabayo||
|-
!(`[[ISO 639:cca|cca]]`) 
| || ||I/E||spurious language|| ||Cauca||
|-
!`[[ISO 639:ccc|ccc]]` 
| || ||I/L|| || ||Chamicuro||
|-
!`[[ISO 639:ccd|ccd]]` 
| || ||I/L|| || ||Cafundo Creole||
|-
!`[[ISO 639:cce|cce]]` 
| || ||I/L|| || ||Chopi||
|-
!`[[ISO 639:ccg|ccg]]` 
| || ||I/L|| || ||Samba Daka||
|-
!`[[ISO 639:cch|cch]]` 
| || ||I/L|| || ||Atsam||
|-
!`[[ISO 639:ccj|ccj]]` 
| || ||I/L|| || ||Kasanga||
|-
!`[[ISO 639:ccl|ccl]]` 
| || ||I/L|| || ||Cutchi-Swahili||
|-
!`[[ISO 639:ccm|ccm]]` 
| || ||I/L|| || ||Malaccan Creole Malay||
|-
!`[[ISO 639:cco|cco]]` 
| || ||I/L|| || ||Comaltepec Chinantec||
|-
!`[[ISO 639:ccp|ccp]]` 
| || ||I/L|| || ||Chakma||
|-
!(`[[ISO 639:ccq|ccq]]`) 
| || ||I/L|| || ||Chaungtha||
|-
!`[[ISO 639:ccr|ccr]]` 
| || ||I/E|| || ||Cacaopera||
|-
!(`[[ISO 639:ccx|ccx]]`) 
| || ||I/L|| || ||Northern Zhuang||
|-
!(`[[ISO 639:ccy|ccy]]`) 
| || ||I/L|| || ||Southern Zhuang||
|-
!`[[ISO 639:cda|cda]]` 
| || ||I/L|| || ||Choni||
|-
!`[[ISO 639:cde|cde]]` 
| || ||I/L|| || ||Chenchu||
|-
!`[[ISO 639:cdf|cdf]]` 
| || ||I/L|| || ||Chiru||
|-
!(`[[ISO 639:cdg|cdg]]`) 
| || ||I/L|| || ||Chamari||
|-
!`[[ISO 639:cdh|cdh]]` 
| || ||I/L|| || ||Chambeali||
|-
!`[[ISO 639:cdi|cdi]]` 
| || ||I/L|| || ||Chodri||
|-
!`[[ISO 639:cdj|cdj]]` 
| || ||I/L|| || ||Churahi||
|-
!`[[ISO 639:cdm|cdm]]` 
| || ||I/L|| || ||Chepang||
|-
!`[[ISO 639:cdn|cdn]]` 
| || ||I/L|| || ||Chaudangsi||
|-
!`[[ISO 639:cdo|cdo]]` 
| || ||I/L||Sino-Tibetan||閩東語/闽东语||Min Dong Chinese||
|-
!`[[ISO 639:cdr|cdr]]` 
| || ||I/L|| || ||Cinda-Regi-Tiyal||
|-
!`[[ISO 639:cds|cds]]` 
| || ||I/L|| || ||Chadian Sign Language||
|-
!`[[ISO 639:cdy|cdy]]` 
| || ||I/L|| || ||Chadong||
|-
!`[[ISO 639:cdz|cdz]]` 
| || ||I/L|| || ||Koda||
|-
!`[[ISO 639:cea|cea]]` 
| || ||I/E|| || ||Lower Chehalis||
|-
!`[[ISO 639:ceb|ceb]]` 
| ||`ceb`||I/L|| ||S(in)ugboanon||Cebuano||
|-
!`[[ISO 639:ceg|ceg]]` 
| || ||I/L|| || ||Chamacoco||
|-
!`[[ISO 639:cek|cek]]` 
| || ||I/L|| || ||Eastern Khumi Chin||
|-
!`[[ISO 639:cen|cen]]` 
| || ||I/L|| || ||Cen||
|-
!`[[ISO 639:ces|ces]]` 
|`cs`||`cze`||I/L||Indo-European||čeština||Czech||
|-
!`[[ISO 639:cet|cet]]` 
| || ||I/L|| || ||Centúúm||
|-
!`[[ISO 639:cey|cey]]` 
| || ||I/L||Sino-Tibetan|| ||Ekai Chin||
|-
!`[[ISO 639:cfa|cfa]]` 
| || ||I/L|| || ||Dijim-Bwilim||
|-
!`[[ISO 639:cfd|cfd]]` 
| || ||I/L|| || ||Cara||
|-
!`[[ISO 639:cfg|cfg]]` 
| || ||I/L|| || ||Como Karim||
|-
!`[[ISO 639:cfm|cfm]]` 
| || ||I/L|| || ||Falam Chin||
|-
!`[[ISO 639:cga|cga]]` 
| || ||I/L|| || ||Changriwa||
|-
!`[[ISO 639:cgc|cgc]]` 
| || ||I/L|| || ||Kagayanen||
|-
!`[[ISO 639:cgg|cgg]]` 
| || ||I/L|| || ||Chiga||
|-
!`[[ISO 639:cgk|cgk]]` 
| || ||I/L|| || ||Chocangacakha||
|-
!`[[ISO 639:cha|cha]]` 
|`ch`||`cha`||I/L||Austronesian||Chamoru||Chamorro||
|-
!`[[ISO 639:chb|chb]]` 
| ||`chb`||I/E|| || ||Chibcha||
|-
!`[[ISO 639:chc|chc]]` 
| || ||I/E|| ||Iyeye||Catawba||
|-
!`[[ISO 639:chd|chd]]` 
| || ||I/L|| || ||Highland Oaxaca Chontal||
|-
!`[[ISO 639:che|che]]` 
|`ce`||`che`||I/L||Northeast Caucasian||нохчийн||Chechen||
|-
!`[[ISO 639:chf|chf]]` 
| || ||I/L|| || ||Tabasco Chontal||
|-
!`[[ISO 639:chg|chg]]` 
| ||`chg`||I/E|| ||جغتای||Chagatai||
|-
!`[[ISO 639:chh|chh]]` 
| || ||I/E|| || ||Chinook||
|-
!`[[ISO 639:chj|chj]]` 
| || ||I/L|| || ||Ojitlán Chinantec||
|-
!`[[ISO 639:chk|chk]]` 
| ||`chk`||I/L|| || ||Chuukese||
|-
!`[[ISO 639:chl|chl]]` 
| || ||I/L|| || ||Cahuilla||
|-
!`[[ISO 639:chm|chm]]` 
| ||`chm`||M/L|| ||марий||Mari (Russia)||
|-
!`[[ISO 639:chn|chn]]` 
| ||`chn`||I/L|| ||chinuk wawa||Chinook jargon||
|-
!`[[ISO 639:cho|cho]]` 
| ||`cho`||I/L|| ||Chahta||Choctaw||
|-
!`[[ISO 639:chp|chp]]` 
| ||`chp`||I/L|| ||ᑌᓀᓲᒢᕄᓀ(Dëne Sųłiné)||Chipewyan; Dene Suline||
|-
!`[[ISO 639:chq|chq]]` 
| || ||I/L|| || ||Quiotepec Chinantec||
|-
!`[[ISO 639:chr|chr]]` 
| ||`chr`||I/L|| ||ᏣᎳᎩ||Cherokee||
|-
!(`[[ISO 639:chs|chs]]`) 
| || ||I/E|| || ||Chumash||
|-
!`[[ISO 639:cht|cht]]` 
| || ||I/E|| || ||Cholón||
|-
!`[[ISO 639:chu|chu]]` 
|`cu`||`chu`||I/H||Indo-European||ⱌⱃⰽⰲⰰⱀⱁⱄⰾⱁⰲⱑⱀⱄⰽⱜ ⰵⰸⰻⰽⱜ; ⱄⰾⱁⰲⱑⱀⱐⱄⰽⱏ ⱗⰸⱏⰺⰽⱏЦрькъвьнословѣ́ньскъ ѩꙁꙑ́къ; словѣ́ньскъ ѩꙁꙑ́къ||Church Slavic; Church Slavonic; Old Bulgarian; Old Church Slavonic; Old Slavonic||
|-
!`[[ISO 639:chv|chv]]` 
|`cv`||`chv`||I/L||Turkic||Чӑваш||Chuvash||
|-
!`[[ISO 639:chw|chw]]` 
| || ||I/L|| || ||Chuwabu||
|-
!`[[ISO 639:chx|chx]]` 
| || ||I/L|| || ||Chantyal||
|-
!`[[ISO 639:chy|chy]]` 
| ||`chy`||I/L|| ||Tsêhést||Cheyenne||
|-
!`[[ISO 639:chz|chz]]` 
| || ||I/L|| || ||Ozumacín Chinantec||
|-
!`[[ISO 639:cia|cia]]` 
| || ||I/L|| || ||Cia-Cia||
|-
!`[[ISO 639:cib|cib]]` 
| || ||I/L|| || ||Ci Gbe||
|-
!`[[ISO 639:cic|cic]]` 
| || ||I/L|| ||Chikasha||Chickasaw||
|-
!`[[ISO 639:cid|cid]]` 
| || ||I/E|| || ||Chimariko||
|-
!`[[ISO 639:cie|cie]]` 
| || ||I/L|| || ||Cineni||
|-
!`[[ISO 639:cih|cih]]` 
| || ||I/L|| || ||Chinali||
|-
!`[[ISO 639:cik|cik]]` 
| || ||I/L||Sino-Tibetan||चित्कुली किन्नौरी||Chitkuli Kinnauri||
|-
!`[[ISO 639:cim|cim]]` 
| || ||I/L|| ||Zimbrisch||Cimbrian||
|-
!`[[ISO 639:cin|cin]]` 
| || ||I/L|| || ||Cinta Larga||
|-
!`[[ISO 639:cip|cip]]` 
| || ||I/L|| || ||Chiapanec||
|-
!`[[ISO 639:cir|cir]]` 
| || ||I/L|| || ||Haméa; Méa; Tiri||
|-
!(`[[ISO 639:cit|cit]]`) 
| || ||I/L||Indo-European||চাঁটগাঁইয়া||Chittagonian||
|-
!`[[ISO 639:ciw|ciw]]` 
| || ||I/L|| ||ᐊᓂᐦᔑᓈᐯᒧᐧᐃᓐ / ᐅᒋᐧᐯᒧᐧᐃᓐ(Anishinaabemowin / Ojibwemowin) ||Chippewa||
|-
!`[[ISO 639:ciy|ciy]]` 
| || ||I/L|| || ||Chaima||
|-
!`[[ISO 639:cja|cja]]` 
| || ||I/L|| || ||Western Cham||
|-
!`[[ISO 639:cje|cje]]` 
| || ||I/L|| || ||Chru||
|-
!`[[ISO 639:cjh|cjh]]` 
| || ||I/E|| || ||Upper Chehalis||
|-
!`[[ISO 639:cji|cji]]` 
| || ||I/L|| || ||Chamalal||
|-
!`[[ISO 639:cjk|cjk]]` 
| || ||I/L|| || ||Chokwe||
|-
!`[[ISO 639:cjm|cjm]]` 
| || ||I/L|| || ||Eastern Cham||
|-
!`[[ISO 639:cjn|cjn]]` 
| || ||I/L|| || ||Chenapian||
|-
!`[[ISO 639:cjo|cjo]]` 
| || ||I/L|| || ||Ashéninka Pajonal||
|-
!`[[ISO 639:cjp|cjp]]` 
| || ||I/L|| || ||Cabécar||
|-
!(`[[ISO 639:cjr|cjr]]`) 
| || ||I/E|| || ||Chorotega||
|-
!`[[ISO 639:cjs|cjs]]` 
| || ||I/L|| ||Шор||Shor||
|-
!`[[ISO 639:cjv|cjv]]` 
| || ||I/L|| || ||Chuave||
|-
!`[[ISO 639:cjy|cjy]]` 
| || ||I/L||Sino-Tibetan||晋语||Jinyu Chinese||
|-
!(`[[ISO 639:cka|cka]]`) 
| || ||I/L|| || ||Khumi Awa Chin||
|-
!`[[ISO 639:ckb|ckb]]` 
| || ||I/L||Indo-European|| کوردی ||Central Kurdish||
|-
!(`[[ISO 639:ckc|ckc]]`) 
| || ||I/L||Cakchiquel|| ||Northern Cakchiquel||
|-
!(`[[ISO 639:ckd|ckd]]`) 
| || ||I/L||Cakchiquel|| ||South Central Cakchiquel||
|-
!(`[[ISO 639:cke|cke]]`) 
| || ||I/L||Cakchiquel|| ||Eastern Cakchiquel||
|-
!(`[[ISO 639:ckf|ckf]]`) 
| || ||I/L||Cakchiquel|| ||Southern Cakchiquel||
|-
!`[[ISO 639:ckh|ckh]]` 
| || ||I/L|| || ||Chak||
|-
!(`[[ISO 639:cki|cki]]`) 
| || ||I/L||Cakchiquel|| ||Santa María De Jesús Cakchiquel||
|-
!(`[[ISO 639:ckj|ckj]]`) 
| || ||I/L||Cakchiquel|| ||Santo Domingo Xenacoj Cakchiquel||
|-
!(`[[ISO 639:ckk|ckk]]`) 
| || ||I/L||Cakchiquel|| ||Acatenango Southwestern Cakchiquel||
|-
!`[[ISO 639:ckl|ckl]]` 
| || ||I/L|| || ||Cibak||
|-
!`[[ISO 639:ckm|ckm]]` 
| || ||I/L||Indo-European|| ||Chakavian||
|-
!`[[ISO 639:ckn|ckn]]` 
| || ||I/L|| || ||Kaang Chin||
|-
!`[[ISO 639:cko|cko]]` 
| || ||I/L|| || ||Anufo||
|-
!`[[ISO 639:ckq|ckq]]` 
| || ||I/L|| || ||Kajakse||
|-
!`[[ISO 639:ckr|ckr]]` 
| || ||I/L|| || ||Kairak||
|-
!`[[ISO 639:cks|cks]]` 
| || ||I/L|| || ||Tayo||
|-
!`[[ISO 639:ckt|ckt]]` 
| || ||I/L|| ||чаучу||Chukot||
|-
!`[[ISO 639:cku|cku]]` 
| || ||I/L|| || ||Koasati||
|-
!`[[ISO 639:ckv|ckv]]` 
| || ||I/L|| || ||Kavalan||
|-
!(`[[ISO 639:ckw|ckw]]`) 
| || ||I/L|| || ||Western Cakchiquel||
|-
!`[[ISO 639:ckx|ckx]]` 
| || ||I/L|| || ||Caka||
|-
!`[[ISO 639:cky|cky]]` 
| || ||I/L|| || ||Cakfem-Mushere||
|-
!`[[ISO 639:ckz|ckz]]` 
| || ||I/L|| || ||Cakchiquel-Quiché Mixed Language||
|-
!`[[ISO 639:cla|cla]]` 
| || ||I/L|| || ||Ron||
|-
!`[[ISO 639:clc|clc]]` 
| || ||I/L||Na-Dené||Tšinlhqot⤙in, Tsilhqot’in||Chilcotin; Tsilhqot’in||
|-
!`[[ISO 639:cld|cld]]` 
| || ||I/L|| ||ܟܠܕܝܐ||Chaldean Neo-Aramaic||
|-
!`[[ISO 639:cle|cle]]` 
| || ||I/L|| || ||Lealao Chinantec||
|-
!`[[ISO 639:clh|clh]]` 
| || ||I/L|| || ||Chilisso||
|-
!`[[ISO 639:cli|cli]]` 
| || ||I/L|| || ||Chakali||
|-
!`[[ISO 639:clj|clj]]` 
| || ||I/L|| || ||Laitu Chin||
|-
!`[[ISO 639:clk|clk]]` 
| || ||I/L||Sino-Tibetan?|| ||Idu-Mishmi||
|-
!`[[ISO 639:cll|cll]]` 
| || ||I/L|| || ||Chala||
|-
!`[[ISO 639:clm|clm]]` 
| || ||I/L||Salishan||nəxʷsƛʼayʼəmʼúcən||Clallam; Klallam||
|-
!`[[ISO 639:clo|clo]]` 
| || ||I/L|| || ||Lowland Oaxaca Chontal||
|-
!`[[ISO 639:cls|cls]]` 
| || ||I/H||Indo-European|| ||Classical Sanskrit||
|-
!`[[ISO 639:clt|clt]]` 
| || ||I/L|| || ||Lautu Chin||
|-
!`[[ISO 639:clu|clu]]` 
| || ||I/L|| || ||Caluyanun||
|-
!`[[ISO 639:clw|clw]]` 
| || ||I/L|| || ||Chulym||
|-
!`[[ISO 639:cly|cly]]` 
| || ||I/L|| || ||Eastern Highland Chatino||
|-
!`[[ISO 639:cma|cma]]` 
| || ||I/L|| || ||Maa||
|-
!`[[ISO 639:cme|cme]]` 
| || ||I/L|| || ||Cerma||
|-
!`[[ISO 639:cmg|cmg]]` 
| || ||I/H|| || ||Classical Mongolian||
|-
!`[[ISO 639:cmi|cmi]]` 
| || ||I/L|| || ||Emberá-Chamí||
|-
!(`[[ISO 639:cmk|cmk]]`) 
| || ||I/E|| || ||Chimakum||
|-
!`[[ISO 639:cml|cml]]` 
| || ||I/L|| || ||Campalagian||
|-
!`[[ISO 639:cmm|cmm]]` 
| || ||I/E|| || ||Michigamea||
|-
!`[[ISO 639:cmn|cmn]]` 
| || ||I/L||Sino-Tibetan||官话/官話; 北方话; 普通话; 國語; 华语||Mandarin Chinese||
|-
!`[[ISO 639:cmo|cmo]]` 
| || ||I/L|| || ||Central Mnong||
|-
!`[[ISO 639:cmr|cmr]]` 
| || ||I/L|| || ||Mro-Khimi Chin||
|-
!`[[ISO 639:cms|cms]]` 
| || ||I/H|| || ||Messapic||
|-
!`[[ISO 639:cmt|cmt]]` 
| || ||I/L|| || ||Camtho||
|-
!`[[ISO 639:cna|cna]]` 
| || ||I/L|| || ||Changthang||
|-
!`[[ISO 639:cnb|cnb]]` 
| || ||I/L|| || ||Chinbon Chin||
|-
!`[[ISO 639:cnc|cnc]]` 
| || ||I/L|| || ||Côông||
|-
!`[[ISO 639:cng|cng]]` 
| || ||I/L||Sino-Tibetan||Rrmearr||Northern Qiang||
|-
!`[[ISO 639:cnh|cnh]]` 
| || ||I/L|| || ||Haka Chin; Hakha Chin||
|-
!`[[ISO 639:cni|cni]]` 
| || ||I/L|| || ||Asháninka||
|-
!`[[ISO 639:cnk|cnk]]` 
| || ||I/L|| || ||Khumi Chin||
|-
!`[[ISO 639:cnl|cnl]]` 
| || ||I/L|| || ||Lalana Chinantec||
|-
!(`[[ISO 639:cnm|cnm]]`) 
| || ||I/L|| || ||Ixtatán Chuj||
|-
!`[[ISO 639:cno|cno]]` 
| || ||I/L|| || ||Con||
|-
!`[[ISO 639:cnp|cnp]]` 
| || ||I/L||Sino-Tibetan||桂北平话||Northern Ping Chinese; Northern Pinghua||
|-
!`[[ISO 639:cnq|cnq]]` 
| || ||I/L||Niger–Congo|| ||Chung||
|-
!`[[ISO 639:cnr|cnr]]` 
| ||`cnr`||I/L||Indo-European||crnogorski / црногорски||Montenegrin||
|-
!`[[ISO 639:cns|cns]]` 
| || ||I/L|| || ||Central Asmat||
|-
!`[[ISO 639:cnt|cnt]]` 
| || ||I/L|| || ||Tepetotutla Chinantec||
|-
!`[[ISO 639:cnu|cnu]]` 
| || ||I/L|| || ||Chenoua||
|-
!`[[ISO 639:cnw|cnw]]` 
| || ||I/L|| || ||Ngawn Chin||
|-
!`[[ISO 639:cnx|cnx]]` 
| || ||I/H|| || ||Middle Cornish||
|-
!`[[ISO 639:coa|coa]]` 
| || ||I/L|| || ||Cocos Islands Malay||
|-
!`[[ISO 639:cob|cob]]` 
| || ||I/E|| || ||Chicomuceltec||
|-
!`[[ISO 639:coc|coc]]` 
| || ||I/L|| ||Kwikapa||Cocopa||
|-
!`[[ISO 639:cod|cod]]` 
| || ||I/L|| || ||Cocama-Cocamilla||
|-
!`[[ISO 639:coe|coe]]` 
| || ||I/L|| || ||Koreguaje||
|-
!`[[ISO 639:cof|cof]]` 
| || ||I/L|| || ||Colorado||
|-
!`[[ISO 639:cog|cog]]` 
| || ||I/L|| || ||Chong||
|-
!`[[ISO 639:coh|coh]]` 
| || ||I/L|| || ||Chichonyi-Chidzihana-Chikauma; Chonyi-Dzihana-Kauma||
|-
!`[[ISO 639:coj|coj]]` 
| || ||I/E|| ||Tipai||Cochimi||
|-
!`[[ISO 639:cok|cok]]` 
| || ||I/L|| || ||Santa Teresa Cora||
|-
!`[[ISO 639:col|col]]` 
| || ||I/L|| || ||Columbia-Wenatchi||
|-
!`[[ISO 639:com|com]]` 
| || ||I/L|| ||nʉmʉ tekwapʉ̱||Comanche||
|-
!`[[ISO 639:con|con]]` 
| || ||I/L|| || ||Cofán||
|-
!`[[ISO 639:coo|coo]]` 
| || ||I/L|| ||Saɬuɬtxʷ||Comox||
|-
!`[[ISO 639:cop|cop]]` 
| ||`cop`||I/E|| ||||Coptic||
|-
!`[[ISO 639:coq|coq]]` 
| || ||I/E|| || ||Coquille||
|-
!`[[ISO 639:cor|cor]]` 
|`kw`||`cor`||I/L||Indo-European||Kernewek||Cornish||
|-
!`[[ISO 639:cos|cos]]` 
|`co`||`cos`||I/L||Indo-European||corsu||Corsican||
|-
!`[[ISO 639:cot|cot]]` 
| || ||I/L|| || ||Caquinte||
|-
!`[[ISO 639:cou|cou]]` 
| || ||I/L|| || ||Wamey||
|-
!`[[ISO 639:cov|cov]]` 
| || ||I/L|| || ||Cao Miao||
|-
!`[[ISO 639:cow|cow]]` 
| || ||I/E|| || ||Cowlitz||
|-
!`[[ISO 639:cox|cox]]` 
| || ||I/L|| || ||Nanti||
|-
!(`[[ISO 639:coy|coy]]`) 
| || ||I/E|| || ||Coyaima||
|-
!`[[ISO 639:coz|coz]]` 
| || ||I/L|| || ||Chochotec||
|-
!`[[ISO 639:cpa|cpa]]` 
| || ||I/L|| || ||Palantla Chinantec||
|-
!`[[ISO 639:cpb|cpb]]` 
| || ||I/L|| || ||Ucayali-Yurúa Ashéninka||
|-
!`[[ISO 639:cpc|cpc]]` 
| || ||I/L|| || ||Ajyíninka Apurucayali||
|-
!`[[ISO 639:cpg|cpg]]` 
| || ||I/E|| || ||Cappadocian Greek||
|-
!`[[ISO 639:cpi|cpi]]` 
| || ||I/L|| || ||Chinese Pidgin English||
|-
!`[[ISO 639:cpn|cpn]]` 
| || ||I/L|| || ||Cherepon||
|-
!`[[ISO 639:cpo|cpo]]` 
| || ||I/L|| || ||Kpeego||
|-
!`[[ISO 639:cps|cps]]` 
| || ||I/L|| || ||Capiznon||
|-
!`[[ISO 639:cpu|cpu]]` 
| || ||I/L|| || ||Pichis Ashéninka||
|-
!`[[ISO 639:cpx|cpx]]` 
| || ||I/L||Sino-Tibetan||莆仙語; 莆仙話/莆仙话||Pu-Xian Chinese||
|-
!`[[ISO 639:cpy|cpy]]` 
| || ||I/L|| || ||South Ucayali Ashéninka||
|-
!`[[ISO 639:cqd|cqd]]` 
| || ||I/L||Hmong–Mien||lug Moob||Chuanqiandian Cluster Miao||
|-
!(`[[ISO 639:cqu|cqu]]`) 
| || ||I/L|| || ||Chilean Quechua||
|-
!`[[ISO 639:cra|cra]]` 
| || ||I/L|| || ||Chara||
|-
!`[[ISO 639:crb|crb]]` 
| || ||I/E|| || ||Island Carib||
|-
!`[[ISO 639:crc|crc]]` 
| || ||I/L|| || ||Lonwolwol||
|-
!`[[ISO 639:crd|crd]]` 
| || ||I/L|| || ||Coeur d'Alene||
|-
!`[[ISO 639:cre|cre]]` 
|`cr`||`cre`||M/L||Cree||ᓀᐦᐃᔭᐤ(Nehiyāw)||Cree||
|-
!`[[ISO 639:crf|crf]]` 
| || ||I/E|| || ||Caramanta||
|-
!`[[ISO 639:crg|crg]]` 
| || ||I/L|| || ||Michif||
|-
!`[[ISO 639:crh|crh]]` 
| ||`crh`||I/L|| ||Къырым Татар||Crimean Tatar; Crimean Turkish||
|-
!`[[ISO 639:cri|cri]]` 
| || ||I/L|| || ||Sãotomense||
|-
!`[[ISO 639:crj|crj]]` 
| || ||I/L||Cree|| ||Southern East Cree||
|-
!`[[ISO 639:crk|crk]]` 
| || ||I/L||Cree|| ||Plains Cree||
|-
!`[[ISO 639:crl|crl]]` 
| || ||I/L||Cree|| ||Northern East Cree||
|-
!`[[ISO 639:crm|crm]]` 
| || ||I/L||Cree|| ||Moose Cree||
|-
!`[[ISO 639:crn|crn]]` 
| || ||I/L|| || ||El Nayar Cora||
|-
!`[[ISO 639:cro|cro]]` 
| || ||I/L|| || ||Crow||
|-
!`[[ISO 639:crq|crq]]` 
| || ||I/L|| || ||Iyo'wujwa Chorote||
|-
!`[[ISO 639:crr|crr]]` 
| || ||I/E|| || ||Carolina Algonquian||
|-
!`[[ISO 639:crs|crs]]` 
| || ||I/L|| || ||Seselwa Creole French||
|-
!`[[ISO 639:crt|crt]]` 
| || ||I/L|| || ||Iyojwa'ja Chorote||
|-
!(`[[ISO 639:cru|cru]]`) 
| || ||I/E|| || ||Carútana||
|-
!`[[ISO 639:crv|crv]]` 
| || ||I/L|| || ||Chaura||
|-
!`[[ISO 639:crw|crw]]` 
| || ||I/L|| || ||Chrau||
|-
!`[[ISO 639:crx|crx]]` 
| || ||I/L|| ||ᑕᗸᒡ||Carrier||
|-
!`[[ISO 639:cry|cry]]` 
| || ||I/L|| || ||Cori||
|-
!`[[ISO 639:crz|crz]]` 
| || ||I/E|| || ||Cruzeño||
|-
!`[[ISO 639:csa|csa]]` 
| || ||I/L|| || ||Chiltepec Chinantec||
|-
!`[[ISO 639:csb|csb]]` 
| ||`csb`||I/L|| ||kaszëbsczi||Kashubian||
|-
!`[[ISO 639:csc|csc]]` 
| || ||I/L|| || ||Catalan Sign Language; Lengua de señas catalana; Llengua de Signes Catalana||
|-
!`[[ISO 639:csd|csd]]` 
| || ||I/L|| || ||Chiangmai Sign Language||
|-
!`[[ISO 639:cse|cse]]` 
| || ||I/L|| || ||Czech Sign Language||
|-
!`[[ISO 639:csf|csf]]` 
| || ||I/L|| || ||Cuba Sign Language||
|-
!`[[ISO 639:csg|csg]]` 
| || ||I/L|| || ||Chilean Sign Language||
|-
!`[[ISO 639:csh|csh]]` 
| || ||I/L|| || ||Asho Chin||
|-
!`[[ISO 639:csi|csi]]` 
| || ||I/E|| || ||Coast Miwok||
|-
!`[[ISO 639:csj|csj]]` 
| || ||I/L|| || ||Songlai Chin||
|-
!`[[ISO 639:csk|csk]]` 
| || ||I/L|| || ||Jola-Kasa||
|-
!`[[ISO 639:csl|csl]]` 
| || ||I/L|| || ||Chinese Sign Language||
|-
!`[[ISO 639:csm|csm]]` 
| || ||I/L|| || ||Central Sierra Miwok||
|-
!`[[ISO 639:csn|csn]]` 
| || ||I/L|| || ||Colombian Sign Language||
|-
!`[[ISO 639:cso|cso]]` 
| || ||I/L|| || ||Sochiapam Chinantec; Sochiapan Chinantec||
|-
!`[[ISO 639:csp|csp]]` 
| || ||I/L||Sino-Tibetan||桂南平话||Southern Ping Chinese; Southern Pinghua||
|-
!`[[ISO 639:csq|csq]]` 
| || ||I/L|| || ||Croatia Sign Language||
|-
!`[[ISO 639:csr|csr]]` 
| || ||I/L|| || ||Costa Rican Sign Language||
|-
!`[[ISO 639:css|css]]` 
| || ||I/E|| || ||Southern Ohlone||
|-
!`[[ISO 639:cst|cst]]` 
| || ||I/L|| || ||Northern Ohlone||
|-
!`[[ISO 639:csv|csv]]` 
| || ||I/L|| || ||Sumtu Chin||
|-
!`[[ISO 639:csw|csw]]` 
| || ||I/L||Cree|| ||Swampy Cree||
|-
!`[[ISO 639:csx|csx]]` 
| || ||I/L|| || ||Cambodian Sign Language||
|-
!`[[ISO 639:csy|csy]]` 
| || ||I/L|| || ||Siyin Chin||
|-
!`[[ISO 639:csz|csz]]` 
| || ||I/L|| || ||Coos||
|-
!`[[ISO 639:cta|cta]]` 
| || ||I/L|| || ||Tataltepec Chatino||
|-
!`[[ISO 639:ctc|ctc]]` 
| || ||I/E|| || ||Chetco||
|-
!`[[ISO 639:ctd|ctd]]` 
| || ||I/L|| || ||Tedim Chin||
|-
!`[[ISO 639:cte|cte]]` 
| || ||I/L|| || ||Tepinapa Chinantec||
|-
!`[[ISO 639:ctg|ctg]]` 
| || ||I/L|| || ||Chittagonian||
|-
!`[[ISO 639:cth|cth]]` 
| || ||I/L|| || ||Thaiphum Chin||
|-
!(`[[ISO 639:cti|cti]]`) 
| || ||I/L|| || ||Tila Chol||
|-
!`[[ISO 639:ctl|ctl]]` 
| || ||I/L|| || ||Tlacoatzintepec Chinantec||
|-
!`[[ISO 639:ctm|ctm]]` 
| || ||I/E|| || ||Chitimacha||
|-
!`[[ISO 639:ctn|ctn]]` 
| || ||I/L|| || ||Chhintange||
|-
!`[[ISO 639:cto|cto]]` 
| || ||I/L|| || ||Emberá-Catío||
|-
!`[[ISO 639:ctp|ctp]]` 
| || ||I/L|| || ||Western Highland Chatino||
|-
!`[[ISO 639:cts|cts]]` 
| || ||I/L|| || ||Northern Catanduanes Bikol||
|-
!`[[ISO 639:ctt|ctt]]` 
| || ||I/L|| || ||Wayanad Chetti||
|-
!`[[ISO 639:ctu|ctu]]` 
| || ||I/L|| || ||Chol||
|-
!`[[ISO 639:cty|cty]]` 
| || ||I/L||Dravidian|| ||Moundadan Chetty||
|-
!`[[ISO 639:ctz|ctz]]` 
| || ||I/L|| || ||Zacatepec Chatino||
|-
!`[[ISO 639:cua|cua]]` 
| || ||I/L|| || ||Cua||
|-
!`[[ISO 639:cub|cub]]` 
| || ||I/L|| || ||Cubeo||
|-
!`[[ISO 639:cuc|cuc]]` 
| || ||I/L|| || ||Usila Chinantec||
|-
!(`[[ISO 639:cug|cug]]`) 
| || ||I/L|| || ||Chungmboko||
|-
!`[[ISO 639:cuh|cuh]]` 
| || ||I/L|| || ||Chuka; Gichuka||
|-
!`[[ISO 639:cui|cui]]` 
| || ||I/L|| || ||Cuiba||
|-
!`[[ISO 639:cuj|cuj]]` 
| || ||I/L|| || ||Mashco Piro||
|-
!`[[ISO 639:cuk|cuk]]` 
| || ||I/L|| || ||San Blas Kuna||
|-
!`[[ISO 639:cul|cul]]` 
| || ||I/L|| || ||Culina; Kulina||
|-
!(`[[ISO 639:cum|cum]]`) 
| || ||I/E||spurious language|| ||Cumeral||
|-
!(`[[ISO 639:cun|cun]]`) 
| || ||I/L|| || ||Cunén Quiché||
|-
!`[[ISO 639:cuo|cuo]]` 
| || ||I/E|| || ||Cumanagoto||
|-
!`[[ISO 639:cup|cup]]` 
| || ||I/E|| ||Kuupangaxwichem||Cupeño||
|-
!`[[ISO 639:cuq|cuq]]` 
| || ||I/L|| || ||Cun||
|-
!`[[ISO 639:cur|cur]]` 
| || ||I/L|| || ||Chhulung||
|-
!`[[ISO 639:cut|cut]]` 
| || ||I/L|| || ||Teutila Cuicatec||
|-
!`[[ISO 639:cuu|cuu]]` 
| || ||I/L|| || ||Tai Ya||
|-
!`[[ISO 639:cuv|cuv]]` 
| || ||I/L|| || ||Cuvok||
|-
!`[[ISO 639:cuw|cuw]]` 
| || ||I/L|| || ||Chukwa||
|-
!`[[ISO 639:cux|cux]]` 
| || ||I/L|| || ||Tepeuxila Cuicatec||
|-
!`[[ISO 639:cuy|cuy]]` 
| || ||I/L||isolate|| ||Cuitlatec||
|-
!`[[ISO 639:cvg|cvg]]` 
| || ||I/L||Sino-Tibetan?|| ||Chug||
|-
!`[[ISO 639:cvn|cvn]]` 
| || ||I/L|| || ||Valle Nacional Chinantec||
|-
!`[[ISO 639:cwa|cwa]]` 
| || ||I/L|| || ||Kabwa||
|-
!`[[ISO 639:cwb|cwb]]` 
| || ||I/L|| || ||Maindo||
|-
!`[[ISO 639:cwd|cwd]]` 
| || ||I/L||Cree|| ||Woods Cree||
|-
!`[[ISO 639:cwe|cwe]]` 
| || ||I/L|| || ||Kwere||
|-
!`[[ISO 639:cwg|cwg]]` 
| || ||I/L|| || ||Cheq Wong; Chewong||
|-
!`[[ISO 639:cwt|cwt]]` 
| || ||I/L|| || ||Kuwaataay||
|-
!`[[ISO 639:cxh|cxh]]` 
| || ||I/L||Afro-Asiatic|| ||Cha'ari||
|-
!`[[ISO 639:cya|cya]]` 
| || ||I/L|| || ||Nopala Chatino||
|-
!`[[ISO 639:cyb|cyb]]` 
| || ||I/E|| || ||Cayubaba||
|-
!`[[ISO 639:cym|cym]]` 
|`cy`||`wel`||I/L||Indo-European||Cymraeg||Welsh||
|-
!`[[ISO 639:cyo|cyo]]` 
| || ||I/L|| || ||Cuyonon||
|-
!`[[ISO 639:czh|czh]]` 
| || ||I/L||Sino-Tibetan||徽州话; 徽语||Huizhou Chinese||
|-
!`[[ISO 639:czk|czk]]` 
| || ||I/E|| || ||Knaanic||
|-
!`[[ISO 639:czn|czn]]` 
| || ||I/L|| || ||Zenzontepec Chatino||
|-
!`[[ISO 639:czo|czo]]` 
| || ||I/L||Sino-Tibetan||闽中语/閩中語||Min Zhong Chinese||
|-
!`[[ISO 639:czt|czt]]` 
| || ||I/L|| || ||Zotung Chin||
|}

분류:ISO 639