ISO 639:k

| kip  |  |  | I/L |  |  | Kham, Sheshi |  |  |  |  |  |
| kiq  |  |  | I/L |  |  | Kosadle |  |  |  |  |  |
| kir  | ky | kir | I/L | Turkic | Кыргыз | Kyrgyz | kirghize | kirguís | 吉尔吉斯语; 柯尔克孜语 | киргизский | Kirgisisch |
| kis  |  |  | I/L |  |  | Kis |  |  |  |  | Kis |
| kit  |  |  | I/L |  |  | Agob |  |  |  |  |  |
| kiu  |  |  | I/L |  |  | Kirmanjki (individual language) |  |  | 北扎扎其语 |  |  |
| kiv  |  |  | I/L |  |  | Kimbu |  |  |  |  |  |
| kiw  |  |  | I/L |  |  | Kiwai, Northeast |  |  |  |  |  |
| kix  |  |  | I/L |  |  | Khiamniungan Naga |  |  |  |  |  |
| kiy  |  |  | I/L |  |  | Kirikiri |  |  |  |  |  |
| kiz  |  |  | I/L |  |  | Kisi |  |  |  |  |  |
| kja  |  |  | I/L |  |  | Mlap |  |  |  |  |  |
| kjb  |  |  | I/L |  |  | Kanjobal, Eastern |  |  |  |  |  |
| kjc  |  |  | I/L |  |  | Konjo, Coastal |  |  |  |  |  |
| kjd  |  |  | I/L |  |  | Kiwai, Southern |  |  |  |  |  |
| kje  |  |  | I/L |  |  | Kisar |  |  |  |  | Kisar |
| kjf  |  |  | I/L |  |  | Khalaj |  |  |  | Халаджский язык | Chaladschische Sprache |
| kjg  |  |  | I/L |  |  | Khmu |  |  | 克木语 |  |  |
| kjh  |  |  | I/L |  | Хакасча | Khakas |  | jakas | 哈卡斯语 | хакасский | Chakassische Sprache |
| kji  |  |  | I/L |  |  | Zabana |  |  |  |  |  |
| kjj  |  |  | I/L |  |  | Khinalugh | khinalough | khinalugh |  |  |  |
| kjk  |  |  | I/L |  |  | Konjo, Highland |  |  |  |  |  |
| kjl  |  |  | I/L |  |  | Parbate, Western |  |  |  |  |  |
| kjm  |  |  | I/L |  |  | Kháng |  |  |  |  |  |
| kjn  |  |  | I/L |  |  | Kunjen |  |  |  |  |  |
| kjo  |  |  | I/L |  |  | Kinnauri, Harijan |  |  |  |  |  |
| kjp  |  |  | I/L |  |  | Karen, Pwo Eastern |  |  |  |  |  |
| kjq  |  |  | I/L |  |  | Keres, Western |  |  |  |  |  |
| kjr  |  |  | I/L |  |  | Kurudu |  |  |  |  |  |
| kjs  |  |  | I/L |  |  | Kewa, East |  |  |  |  |  |
| kjt  |  |  | I/L |  |  | Karen, Phrae Pwo |  |  |  |  |  |
| kju  |  |  | I/L |  |  | Kashaya |  |  |  |  |  |
| kjv  |  |  | I/H |  | Kajkavski | Kaikavian literary language (Kajkavian) | Kaïkavienne |  |  | кайкавский | Kaikawisch |
| kjx  |  |  | I/L |  |  | Ramopa |  |  |  |  |  |
| kjy  |  |  | I/L |  |  | Erave |  |  |  |  |  |
| kjz  |  |  | I/L |  |  | Bumthangkha | bumthang |  |  |  |  |
| kka  |  |  | I/L |  |  | Kakanda |  |  |  |  |  |
| kkb  |  |  | I/L |  |  | Kwerisa |  |  |  |  |  |
| kkc  |  |  | I/L |  |  | Odoodee |  |  |  |  |  |
| kkd  |  |  | I/L |  |  | Kinuku |  |  |  |  |  |
| kke  |  |  | I/L |  |  | Kakabe |  |  |  |  |  |
| kkf  |  |  | I/L |  |  | Kalaktang Monpa |  |  | 噶拉塘-门巴语 |  |  |
| kkg  |  |  | I/L |  |  | Kalinga, Mabaka Valley |  |  |  |  |  |
| kkh  |  |  | I/L |  |  | Khün |  |  | 坤语 |  |  |
| kki  |  |  | I/L |  |  | Kagulu |  |  |  |  |  |
| kkj  |  |  | I/L |  |  | Kako |  |  |  |  |  |
| kkk  |  |  | I/L |  |  | Kokota |  |  |  |  |  |
| kkl  |  |  | I/L |  |  | Yale, Kosarek |  |  |  |  |  |
| kkm  |  |  | I/L |  |  | Kiong |  |  |  |  |  |
| kkn  |  |  | I/L |  |  | Kon Keu |  |  |  |  |  |
| kko  |  |  | I/L |  |  | Karko |  |  |  |  |  |
| kkp  |  |  | I/L |  |  | Gugubera |  |  |  |  |  |
| kkq  |  |  | I/L |  |  | Kaiku |  |  |  |  |  |
| kkr  |  |  | I/L |  |  | Kir-Balar |  |  |  |  |  |
| kks  |  |  | I/L |  |  | Giiwo |  |  |  |  |  |
| kkt  |  |  | I/L |  |  | Koi |  |  |  |  |  |
| kku  |  |  | I/L |  |  | Tumi |  |  |  |  |  |
| kkv  |  |  | I/L |  |  | Kangean |  |  |  |  |  |
| kkw  |  |  | I/L |  |  | Teke-Kukuya |  |  |  |  |  |
| kkx  |  |  | I/L |  |  | Kohin |  |  |  |  |  |
| kky  |  |  | I/L |  |  | Guguyimidjir |  |  |  |  |  |
| kkz  |  |  | I/L |  | Dene Dzage | Kaska |  |  | 卡斯卡语 |  |  |
| kla  |  |  | I/E |  |  | Klamath-Modoc |  | klamath-modoc |  |  |  |
| klb  |  |  | I/L |  |  | Kiliwa |  | kiliwa |  |  |  |
| klc  |  |  | I/L |  |  | Kolbila |  |  |  |  |  |
| kld  |  |  | I/L |  |  | Gamilaraay |  |  |  |  |  |
| kle  |  |  | I/L |  |  | Kulung (Nepal) |  |  |  |  |  |
| klf  |  |  | I/L |  |  | Kendeje |  |  |  |  |  |
| klg  |  |  | I/L |  |  | Kalagan, Tagakaulu |  |  |  |  |  |
| klh  |  |  | I/L |  |  | Weliki |  |  |  |  |  |
| kli  |  |  | I/L |  |  | Kalumpang |  |  |  |  |  |
| klj  |  |  | I/L |  | Qalayce | Khalaj, Turkic |  | jalaj | 哈拉吉语 |  |  |
| klk  |  |  | I/L |  |  | Kono (Nigeria) |  |  |  |  |  |
| kll  |  |  | I/L |  |  | Kalagan, Kagan |  |  |  |  |  |
| klm  |  |  | I/L |  |  | Kolom |  |  |  |  |  |
| kln  |  |  | M/L |  |  | Kalenjin |  |  | 卡伦津语 |  |  |
| klo  |  |  | I/L |  |  | Kapya |  |  |  |  |  |
| klp  |  |  | I/L |  |  | Kamasa |  |  |  |  |  |
| klq  |  |  | I/L |  |  | Rumu |  |  |  |  |  |
| klr  |  |  | I/L |  |  | Khaling |  |  |  |  |  |
| kls  |  |  | I/L |  |  | Kalasha |  |  |  |  |  |
| klt  |  |  | I/L |  |  | Nukna |  |  |  |  |  |
| klu  |  |  | I/L |  |  | Klao |  |  |  |  |  |
| klv  |  |  | I/L |  |  | Maskelynes |  |  |  |  |  |
| klw  |  |  | I/L |  |  | Lindu |  |  |  |  |  |
| klx  |  |  | I/L |  |  | Koluwawa |  |  |  |  |  |
| kly  |  |  | I/L |  |  | Kalao |  |  |  |  |  |
| klz  |  |  | I/L |  |  | Kabola |  |  |  |  |  |
| kma  |  |  | I/L |  |  | Konni |  |  |  |  |  |
| kmb  |  | kmb | I/L |  |  | Kimbundu | kimbundu |  | 姆本杜语 | северный мбунду |  |
| kmc  |  |  | I/L |  |  | Dong, Southern |  |  | 南侗语 |  |  |
| kmd  |  |  | I/L |  |  | Kalinga, Madukayang |  |  |  |  |  |
| kme  |  |  | I/L |  |  | Bakole |  |  |  |  |  |
| kmf  |  |  | I/L |  |  | Kare (Papua New Guinea) |  |  |  |  |  |
| kmg  |  |  | I/L |  |  | Kâte |  |  |  |  |  |
| kmh  |  |  | I/L |  |  | Kalam |  |  |  |  |  |
| kmi  |  |  | I/L |  |  | Kami (Nigeria) |  |  |  |  |  |
| kmj  |  |  | I/L |  |  | Kumarbhag Paharia |  |  |  |  |  |
| kmk  |  |  | I/L |  |  | Kalinga, Limos |  |  |  |  |  |
| kml  |  |  | I/L |  |  | Kalinga, Lower Tanudan |  |  |  |  |  |
| kmm  |  |  | I/L |  |  | Kom (India) |  |  |  |  |  |
| kmn  |  |  | I/L |  |  | Awtuw |  |  |  |  |  |
| kmo  |  |  | I/L |  |  | Kwoma |  |  |  |  |  |
| kmp  |  |  | I/L |  |  | Gimme |  |  |  |  |  |
| kmq  |  |  | I/L |  |  | Kwama |  |  |  |  |  |
| kmr  |  |  | I/L |  |  | Kurdish, northern |  |  | 北库尔德语 |  |  |
| kms  |  |  | I/L |  |  | Kamasau |  |  |  |  |  |
| kmt  |  |  | I/L |  |  | Kemtuik |  |  |  |  |  |
| kmu  |  |  | I/L |  |  | Kanite |  |  |  |  |  |
| kmv  |  |  | I/L |  |  | Karipúna Creole French |  |  |  |  |  |
| kmw  |  |  | I/L |  |  | Komo (Democratic Republic of Congo) |  |  |  |  |  |
| kmx  |  |  | I/L |  |  | Waboda |  |  |  |  |  |
| kmy  |  |  | I/L |  |  | Koma |  |  |  |  |  |
| kmz  |  |  | I/L |  |  | Khorasani Turkish |  | Idioma turco de Jorasán | 呼罗珊土耳其语 | Хорасанско-тюркский язык | Chorasan-türkische Sprache |
| kna  |  |  | I/L |  |  | Dera (Nigeria) |  |  |  |  |  |
| knb  |  |  | I/L |  |  | Kalinga, Lubuagan |  |  |  |  |  |
| knc  |  |  | I/L |  |  | Kanuri, Central |  |  |  |  |  |
| knd  |  |  | I/L |  |  | Konda |  | konda |  |  |  |
| kne  |  |  | I/L |  |  | Kankanaey |  |  |  |  |  |
| knf  |  |  | I/L |  |  | Mankanya | Mancagne (langue) |  |  |  |  |
| kng  |  |  | I/L |  |  | Koongo |  |  |  |  |  |
| (knh)  |  |  |  |  |  | Kayan River Kenyah |  |  |  |  |  |
| kni  |  |  | I/L |  |  | Kanufi |  |  |  |  |  |
| knj  |  |  | I/L |  |  | Kanjobal, Western |  |  |  |  |  |
| knk  |  |  | I/L |  |  | Kuranko |  |  | 库兰科语 |  |  |
| knl  |  |  | I/L |  |  | Keninjal |  |  |  |  |  |
| knm  |  |  | I/L |  |  | Kanamarí |  |  |  |  |  |
| knn  |  |  | I/L |  | ಕೊಂಕಣಿ | Konkani (specific) |  |  | 孔卡尼语 |  |  |
| kno  |  |  | I/L |  |  | Kono (Sierra Leone) |  |  |  |  |  |
| knp  |  |  | I/L |  |  | Kwanja |  |  |  |  |  |
| knq  |  |  | I/L |  |  | Kintaq |  |  |  |  |  |
| knr  |  |  | I/L |  |  | Kaningra |  |  |  |  |  |
| kns  |  |  | I/L |  |  | Kensiu |  |  |  |  |  |
| knt  |  |  | I/L |  |  | Katukína, Panoan |  | katukína |  |  |  |
| knu  |  |  | I/L |  |  | Kono (Guinea) |  |  |  |  |  |
| knv  |  |  | I/L |  |  | Tabo |  |  |  |  |  |
| knw  |  |  | I/L |  |  | Kung-Ekoka |  |  |  |  |  |
| knx  |  |  | I/L |  |  | Kendayan |  |  |  |  |  |
| kny  |  |  | I/L |  |  | Kanyok |  |  |  | каньок |  |
| knz  |  |  | I/L |  |  | Kalamsé |  |  |  |  |  |
| koa  |  |  | I/L |  |  | Konomala |  |  |  |  |  |
| (kob)  |  |  |  |  |  | Kohoroxitari |  |  |  |  |  |
| koc  |  |  | I/E |  |  | Kpati |  |  |  |  |  |
| kod  |  |  | I/L |  |  | Kodi |  |  |  |  | Kodi |
| koe  |  |  | I/L |  |  | Kacipo-Balesi |  |  |  |  |  |
| kof  |  |  | I/E |  |  | Kubi |  |  |  |  |  |
| kog  |  |  | I/L |  |  | Cogui |  | cogui |  |  |  |
| koh  |  |  | I/L |  |  | Koyo |  |  |  |  |  |
| koi  |  |  | I/L |  | перым-коми | Komi-Permyak |  |  | 科米-彼尔米亚克语 | коми-пермяцкий | Komipermjakisch |
| (koj)  |  |  | I/L |  |  | Sara Dunjo |  |  |  |  |  |
| kok  |  | kok | M/L |  | कॊंकणि | Konkani (generic) | konkani | konkani | 孔卡尼语 | конкани | Konkani |
| kol  |  |  | I/L |  |  | Kol (Papua New Guinea) |  |  |  |  |  |
| kom  | kv | kom | M/L | Uralic | коми | Komi | kom | komi | 科米语 | коми | Komi |
| kon  | kg | kon | M/L | Niger–Congo | Kikongo | Kongo | kongo | kongo | 刚果语 | конго | Kikongo |
| koo  |  |  | I/L |  |  | Konjo |  |  |  |  |  |
| kop  |  |  | I/L |  |  | Kwato |  |  |  |  |  |
| koq  |  |  | I/L |  |  | Kota (Gabon) |  |  |  |  |  |
| kor  | ko | kor | I/L | Koreanic | 한국어 | Korean | coréen | coreano | 朝鲜语; 韩语 | корейский | Koreanisch |
| kos  |  | kos | I/L |  | Kosrae | Kosraean | kosrae |  | 科斯拉伊语 |  | Kosrae |
| kot  |  |  | I/L |  |  | Lagwan |  |  |  |  |  |
| kou  |  |  | I/L |  |  | Koke |  |  |  |  |  |
| kov  |  |  | I/L |  |  | Kudu-Camo |  |  |  |  |  |
| kow  |  |  | I/L |  |  | Kugama |  |  |  |  |  |
| (kox)  |  |  | I/E |  |  | Coxima |  |  |  |  |  |
| koy  |  |  | I/L |  |  | Koyukon |  |  |  |  |  |
| koz  |  |  | I/L |  |  | Korak |  |  |  |  |  |
| kpa  |  |  | I/L |  |  | Kutto |  |  |  |  |  |
| kpb  |  |  | I/L |  |  | Kurumba, Mullu |  |  |  |  |  |
| kpc  |  |  | I/L |  |  | Curripaco |  |  |  |  |  |
| kpd  |  |  | I/L |  |  | Koba |  |  |  |  |  |
| kpe  |  | kpe | M/L |  | kpele | Kpelle | kpellé |  | 克佩勒语 | кпелле |  |
| kpf  |  |  | I/L |  |  | Komba |  |  |  |  |  |
| kpg  |  |  | I/L |  |  | Kapingamarangi |  |  |  |  | Kapingamarangi |
| kph  |  |  | I/L |  |  | Kplang |  |  |  |  |  |
| kpi  |  |  | I/L |  |  | Kofei |  |  |  |  |  |
| kpj  |  |  | I/L |  |  | Karajá |  | Karajá |  |  |  |
| kpk  |  |  | I/L |  |  | Kpan |  |  |  |  |  |
| kpl  |  |  | I/L |  |  | Kpala |  |  |  |  |  |
| kpm  |  |  | I/L |  |  | Koho |  |  |  |  |  |
| kpn  |  |  | I/E |  |  | Kepkiriwát |  | kepkiriwát |  |  |  |
| kpo  |  |  | I/L |  | Akpɔssɔ | Ikposo |  |  |  |  |  |
| (kpp)  |  |  | I/L |  |  | Karen, Paku |  |  |  |  |  |
| kpq  |  |  | I/L |  |  | Korupun-Sela |  |  |  |  |  |
| kpr  |  |  | I/L |  |  | Korafe |  |  |  |  |  |
| kps  |  |  | I/L |  |  | Tehit |  |  |  |  |  |
| kpt  |  |  | I/L |  |  | Karata | karata | karata | 卡拉塔语 |  |  |
| kpu  |  |  | I/L |  |  | Kafoa |  |  |  |  |  |
| kpv  |  |  | I/L |  |  | Komi-Zyrian |  | ciriano | 科米语; 科米-兹梁语 | коми-зырянский |  |
| kpw  |  |  | I/L |  |  | Kobon |  |  |  |  |  |
| kpx  |  |  | I/L |  |  | Koiali, Mountain |  |  |  |  |  |
| kpy  |  |  | I/L |  | нымылг'эн йилыйыл, чав'чывэн йилыйил | Koryak | Koriak |  | 科里亚克语 | корякский | Korjakische Sprache |
| kpz  |  |  | I/L |  |  | Kupsabiny |  |  |  |  |  |
| kqa  |  |  | I/L |  |  | Mum |  |  |  |  |  |
| kqb  |  |  | I/L |  |  | Kovai |  |  |  |  |  |
| kqc  |  |  | I/L |  |  | Doromu |  |  |  |  |  |
| kqd  |  |  | I/L |  |  | Koy Sanjaq Surat |  |  |  |  |  |
| kqe  |  |  | I/L |  |  | Kalagan |  |  |  |  |  |
| kqf  |  |  | I/L |  |  | Kakabai |  |  |  |  |  |
| kqg  |  |  | I/L |  |  | Khe |  |  |  |  |  |
| kqh  |  |  | I/L |  |  | Kisankasa |  |  |  |  |  |
| kqi  |  |  | I/L |  |  | Koitabu |  |  |  |  |  |
| kqj  |  |  | I/L |  |  | Koromira |  |  |  |  |  |
| kqk  |  |  | I/L |  |  | Gbe, Kotafon |  |  |  |  |  |
| kql  |  |  | I/L |  |  | Kyenele |  |  |  |  |  |
| kqm  |  |  | I/L |  |  | Khisa |  |  |  |  |  |
| kqn  |  |  | I/L |  |  | Kaonde |  |  |  | каонде |  |
| kqo  |  |  | I/L |  |  | Krahn, Eastern |  |  |  |  |  |
| kqp  |  |  | I/L |  |  | Kimré |  |  |  |  |  |
| kqq  |  |  | I/L |  |  | Krenak |  |  |  |  |  |
| kqr  |  |  | I/L |  |  | Kimaragang |  |  |  |  |  |
| kqs  |  |  | I/L |  |  | Kissi, Northern |  |  |  |  |  |
| kqt  |  |  | I/L |  |  | Kadazan, Klias River |  |  |  |  |  |
| kqu  |  |  | I/E |  |  | Seroa |  |  |  |  |  |
| kqv  |  |  | I/L |  |  | Okolod |  |  |  |  |  |
| kqw  |  |  | I/L |  |  | Kandas |  |  |  |  |  |
| kqx  |  |  | I/L |  |  | Mser |  |  |  |  |  |
| kqy  |  |  | I/L |  |  | Koorete |  |  |  |  |  |
| kqz  |  |  | I/E |  |  | Korana |  |  |  |  |  |
| kra  |  |  | I/L |  |  | Kumhali |  |  |  |  |  |
| krb  |  |  | I/E |  |  | Karkin |  |  |  |  |  |
| krc  |  | krc | I/L |  | Къарачай-Малкъар | Karachay-Balkar | karatchaï balkar | karachay-balkar | 卡拉恰伊-巴尔卡尔语 | карачаево-балкарский | Karatschai-Balkarisch |
| krd  |  |  | I/L |  |  | Kairui-Midiki |  |  |  |  |  |
| kre  |  |  | I/L |  |  | Kreen-Akarore |  |  |  |  |  |