ISO 639:k
# ISO 639:k

This is a list of ISO 639-3 language codes starting with K.

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: I = individual language, M = macrolanguage, S = special code
* Type: 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.

| 639-3 | 639-1 | 639-2B | Scope/Type | Family | Native | eng | fra | spa | zho | rus | deu |
| - | - | - | - | - | - | - | - | - | - | - | - |
| kaa | | kaa | I/L | | Қарақалпақ | Karakalpak | karakalpak | karakalpako | 卡拉卡尔帕克语 | каракалпакский | Karakalpakisch |
| kab | | kab | I/L | | Taqbaylit | Kabyle | kabyle | cabilio | 卡拜尔语; 卡布列语 | кабильский | Kabylisch |
| kac | | kac | I/L | | | Jingpho | kachin | | 景颇语; 克钦语 | качинский | Kachin |
| kad | | | I/L | | | Kadara | | | | | |
| kae | | | I/E | | | Ketangalan | | | 凯达格兰语 | | |
| kaf | | | I/L | | | Katso | | | | | |
| kag | | | I/L | | | Kajaman | | | | | |
| kah | | | I/L | | | Kara (Central African Republic) | | | | | |
| kai | | | I/L | | | Karekare | | | | | |
| kaj | | | I/L | | Kaje | Jju | | | | | |
| kak | | | I/L | | | Kallahan, Kayapa | | | | | |
| kal | kl | kal | I/L | Eskimo–Aleut | kalaallisut | Kalaallisut | groenlandais | groenlandés | 格陵兰语 | гренландский | Kalaallisut |
| kam | | kam | I/L | | | Kamba (Kenya) | kamba | | 卡姆巴语; 坎巴语 | камба | |
| kan | kn | kan | I/L | Dravidian | ಕನ್ನಡ | Kannada | kannada | canarés | 卡纳达语; 康纳达语 | каннада | Kannada |
| kao | | | I/L | | | Xaasongaxango | | | | | |
| kap | | | I/L | | Бежкьа | Bezhta | bezhta | bezhta | | | |
| kaq | | | I/L | | | Capanahua | | | | | |
| kas | ks | kas | I/L | Indo-European | كشميري | Kashmiri | kashmiri | cachemir | 克什米尔语 | кашмири | Kashmiri |
| kat | ka | geo | I/L | Kartvelian | ქართული | Georgian | géorgien | georgiano | 格鲁吉亚语; 乔治亚语 | грузинский | Georgisch |
| kau | kr | kau | M/L | Nilo-Saharan | kanuri | Kanuri | kanouri | canurí | 卡努里语 | канури | Kanuri |
| kav | | | I/L | | | Katukína | | katukína | | | |
| kaw | | kaw | I/A | | Bhāṣa Kawi | Kawi | kawi | | 卡威语; 古爪哇语 | кави | |
| kax | | | I/L | | | Kao | | | | | |
| kay | | | I/L | | | Kamayurá | | kamayurá | | | |
| kaz | kk | kaz | I/L | Turkic | Қазақша | Kazakh | kazakh | kazaj(i)o | 哈萨克语 | казахский | Kasachisch |
| kba | | | I/E | | | Kalarko | | | | | |
| kbb | | | I/E | | | Kaxuiâna | | kaxuiâna | | | |
| kbc | | | I/L | | | Kadiwéu | | | | | |
| kbd | | kbd | I/L | | къэбэрдеибзэ | Kabardian | kabardien | cabardiano | 卡巴尔达语 | кабардино-черкесский | Kabardinisch |
| kbe | | | I/L | | | Kanju | | | | | |
| (kbf) | | | I/E | | | Kakauhua | | | | | |
| kbg | | | I/L | | | Khamba | | | | | |
| kbh | | | I/L | | | Camsá | | camsá | | | |
| kbi | | | I/L | | | Kaptiau | | | | | |
| kbj | | | I/L | | | Kari | | | | | |
| kbk | | | I/L | | | Koiari, Grass | | | | | |
| kbl | | | I/L | | | Kanembu | | | | | |
| kbm | | | I/L | | | Iwal | | | | | |
| kbn | | | I/L | | | Kare (Central African Republic) | | | | | |
| kbo | | | I/L | | | Keliko | | | | | |
| kbp | | | I/L | | | Kabiyé | | | | | |
| kbq | | | I/L | | | Kamano | | | | | |
| kbr | | | I/L | | | Kafa | kafa | | | | |
| kbs | | | I/L | | | Kande | | | | | |
| kbt | | | I/L | | | Abadi | | | | авадхи | |
| kbu | | | I/L | | | Kabutra | | | | | |
| kbv | | | I/L | | | Dera (Indonesia) | | | | | |
| kbw | | | I/L | | | Kaiep | | | | | |
| kbx | | | I/L | | | Ap Ma | | | | | |
| kby | | | I/L | | | Kanuri, Manga | | | | | |
| kbz | | | I/L | | | Duhwa | | | | | |
| kca | | | I/L | | ханты | Khanty | khanty | janti | 汉特语 | хантыйский | Chantisch |
| kcb | | | I/L | | | Kawacha | | | | | |
| kcc | | | I/L | | | Lubila | | | | | |
| kcd | | | I/L | | | Kanum, Ngkâlmpw | | | | | |
| kce | | | I/L | | | Kaivi | | | | | |
| kcf | | | I/L | | | Ukaan | | | | | |
| kcg | | | I/L | | | Tyap | | | | | |
| kch | | | I/L | | | Vono | | | | | |
| kci | | | I/L | | | Kamantan | | | | | |
| kcj | | | I/L | | | Kobiana | | | | | |
| kck | | | I/L | | | Kalanga | | | | каланга | |
| kcl | | | I/L | | | Kela (Papua New Guinea) | | | | | |
| kcm | | | I/L | | | Gula (Central African Republic) | | | | | |
| kcn | | | I/L | | | Nubi | | | | | |
| kco | | | I/L | | | Kinalakna | | | | | |
| kcp | | | I/L | | | Kanga | | | | | |
| kcq | | | I/L | | | Kamo | | | | | |
| kcr | | | I/L | | | Katla | | | | | |
| kcs | | | I/L | | | Koenoem | | | | | |
| kct | | | I/L | | | Kaian | | | | | |
| kcu | | | I/L | | | Kami (Tanzania) | | | | | |
| kcv | | | I/L | | | Kete | | | | | |
| kcw | | | I/L | | | Kabwari | | | | | |
| kcx | | | I/L | | | Kachama-Ganjule | | | | | |
| kcy | | | I/L | | | Korandje | | | | | |
| kcz | | | I/L | | | Konongo | | | | | |
| kda | | | I/E | | | Worimi | | | | | |
| kdc | | | I/L | | | Kutu | | | | | |
| kdd | | | I/L | | | Yankunytjatjara | | | | | |
| kde | | | I/L | | | Makonde | | | 马孔德语 | маконде | |
| kdf | | | I/L | | | Mamusi | | | | | |
| kdg | | | I/L | | | Seba | | | | | |
| kdh | | | I/L | | | Tem | | | | | |
| kdi | | | I/L | | | Kumam | | | | | |
| kdj | | | I/L | | | Karamojong | | | 卡拉莫琼语 | | |
| kdk | | | I/L | | | Numee | | | | | |
| kdl | | | I/L | | | Tsikimba | | | | | |
| kdm | | | I/L | | | Kagoma | | | | | |
| kdn | | | I/L | | | Kunda | | | | кунда | |
| kdp | | | I/L | | | Kaningdon-Nindem | | | | | |
| kdq | | | I/L | | | Koch | | | | | |
| kdr | | | I/L | | Къарай | Karaim | karaim | karaim | 卡拉伊姆语 | караимский | Karaimisch |
| (kds) | | | | | | Lahu Shi | | | | | |
| kdt | | | I/L | | | Kuy | | | | | |
| kdu | | | I/L | | | Kadaru | | | | | |
| (kdv) | | | I/L | | | Kado | | | | | |
| kdw | | | I/L | | | Koneraw | | | | | |
| kdx | | | I/L | | | Kam | | | | | |
| kdy | | | I/L | | | Keder | | | | | |
| kdz | | | I/L | | | Kwaja | | | | | |
| kea | | | I/L | | kriolu kabuverdianu | Kabuverdianu | créole du Cap-Vert | | | | Kapverdisch |
| keb | | | I/L | | | Kélé | | | | | |
| kec | | | I/L | | | Keiga | | | | | |
| ked | | | I/L | | | Kerewe | | | | | |
| kee | | | I/L | | | Keres, Eastern | | | | | |
| kef | | | I/L | | | Kpessi | | | | | |
| keg | | | I/L | | | Tese | | | | | |
| keh | | | I/L | | | Keak | | | | | |
| kei | | | I/L | | | Kei | | | | | |
| kej | | | I/L | | | Kadar | | | | | |
| kek | | | I/L | | | Kekchí | kekchi | kekchí | | | |
| kel | | | I/L | | | Kela (Democratic Republic of Congo) | | | | | |
| kem | | | I/L | | | Kemak | | | | | |
| ken | | | I/L | | | Kenyang | | | | | |
| keo | | | I/L | | | Kakwa | | kákwâ | | | |
| kep | | | I/L | | | Kaikadi | | | | | |
| keq | | | I/L | | | Kamar | | | | | |
| ker | | | I/L | | | Kera | | | | | |
| kes | | | I/L | | | Kugbo | | | | | |
| ket | | | I/L | | | Ket | ket | | 愒语 | | |
| keu | | | I/L | | | Akebu | | | | | |
| kev | | | I/L | | | Kanikkaran | | | | | |
| kew | | | I/L | | | Kewa, West | | | | | |
| kex | | | I/L | | | Kukna | | | | | |
| key | | | I/L | | | Kupia | | | | | |
| kez | | | I/L | | | Kukele | | | | | |
| kfa | | | I/L | | ಕೊಡವ | Kodava | | | 科达古语 | | |
| kfb | | | I/L | | | Kolami, Northwestern | | | 科拉米语 | | |
| kfc | | | I/L | | | Konda-Dora | | | 孔达语 | | |
| kfd | | | I/L | | | Koraga, Korra | | | | | |
| kfe | | | I/L | | | Kota (India) | | | 科塔语 | | |
| kff | | | I/L | | | Koya | | koya | | | |
| kfg | | | I/L | | | Kudiya | | | | | |
| kfh | | | I/L | | | Kurichiya | | | | | |
| kfi | | | I/L | | | Kurumba | | | | | |
| kfj | | | I/L | | | Kemiehua | | | 克蔑语 | | |
| kfk | | | I/L | | | Kinnauri | | kinnauri | | | |
| kfl | | | I/L | | | Kung | | | | | |
| kfm | | | I/L | | | Khunsari | | | | | |
| kfn | | | I/L | | | Kuk | | | | | |
| kfo | | | I/L | | | Koro (Côte d'Ivoire) | | | | | |
| kfp | | | I/L | | | Korwa | | korwa | | | |
| kfq | | | I/L | | | Korku | | korku | 科尔库语 | | |
| kfr | | | I/L | | કચ્ચિ | Kachchi | | | | | |
| kfs | | | I/L | | | Bilaspuri | | | | | |
| kft | | | I/L | | | Kanjari | | | | | |
| kfu | | | I/L | | | Katkari | | | | | |
| kfv | | | I/L | | | Kurmukar | | | | | |
| kfw | | | I/L | | | Naga, Kharam | | | | | |
| kfx | | | I/L | | | Pahari, Kullu | | | | | |
| kfy | | | I/L | | | Kumauni | | | | | |
| kfz | | | I/L | | | Koromfé | | | | | |
| kga | | | I/L | | | Koyaga | | | | | |
| kgb | | | I/L | | | Kawe | | | | | |
| (kgc) | | | I/L | | | Kasseng | | | | | |
| (kgd) | | | I/L | | | Kataang | | | | | |
| kge | | | I/L | | | Komering | | | | | |
| kgf | | | I/L | | | Kube | | | | | |
| kgg | | | I/L | | | Kusunda | | | | | |
| (kgh) | | | I/L | | | Kalinga, Upper Tanudan | | | | | |
| kgi | | | I/L | | | Selangor Sign Language | | | 雪兰莪手语 | | |
| kgj | | | I/L | | | Kham, Gamale | | | | | |
| kgk | | | I/L | | | Kaiwá | | kaiwá | | | |
| kgl | | | I/E | | | Kunggari | | | | | |
| (kgm) | | | I/E | | | Karipúna | | karipúna | | | |
| kgn | | | I/L | | | Karingani | | | | | |
| kgo | | | I/L | | | Krongo | | | | | |
| kgp | | | I/L | | | Kaingáng | kaingáng | | | | |
| kgq | | | I/L | | | Kamoro | | | | | |
| kgr | | | I/L | | | Abun | abun | | | | |
| kgs | | | I/L | | | Kumbainggar | | | | | |
| kgt | | | I/L | | | Somyev | | | | | |
| kgu | | | I/L | | | Kobol | | | | | |
| kgv | | | I/L | | | Karas | | | | | |
| kgw | | | I/L | | | Karon Dori | | | | | |
| kgx | | | I/L | | | Kamaru | | | | | |
| kgy | | | I/L | | | Kyerung | | | | | |
| kha | | kha | I/L | | Khasi | Khasi | khasi | jasí | 卡西语 | кхаси | Khasi |
| khb | | | I/L | | | Lü | | | 傣仂语; 傣泐语; 西双版纳傣语 | | |
| khc | | | I/L | | | Tukang Besi North | | | | | |
| khd | | | I/L | | | Kanum, Bädi | | | | | |
| khe | | | I/L | | | Korowai | | | | | |
| khf | | | I/L | | | Khuen | | | | | |
| khg | | | I/L | | | Tibetan, Khams | | | 康藏语 | | |
| khh | | | I/L | | | Kehu | | | | | |
| khj | | | I/L | | | Kuturmi | | | | | |
| khk | | | I/L | | | Mongolian, Halh | | | 喀尔喀蒙古语 | | |
| khl | | | I/L | | | Lusi | | | | | |
| khm | km | khm | I/L | Austroasiatic | ខ្មែរ | Khmer | khmer | jemer | 高棉语 | кхмерский | |
| khn | | | I/L | | | Khandesi | | jandeshi | | | |
| kho | | kho | I/A | | | Khotanese | khotanais | | 于阗语 | хотанский | |
| khp | | | I/L | | | Kapori | | | | | |
| khq | | | I/L | | | Songhay, Koyra Chiini | | | | | |
| khr | | | I/L | | | Kharia | | jaria | | | |
| khs | | | I/L | | | Kasua | | | | | |
| kht | | | I/L | | | Khamti | | | 坎梯语 | | |
| khu | | | I/L | | | Nkhumbi | | | | | |
| khv | | | I/L | | | Khvarshi | khvarchi | khvarshi | | | |
| khw | | | I/L | | | Khowar | | | 科瓦语 | | |
| khx | | | I/L | | | Kanu | | | | | |
| khy | | | I/L | | | Kele (Democratic Republic of Congo) | | | | келе | |
| khz | | | I/L | | | Keapara | | | | | |
| kia | | | I/L | | | Kim | | | | | |
| kib | | | I/L | | | Koalib | | | | | |
| kic | | | I/L | | kikapú | Kickapoo | | kikapú | | | |
| kid | | | I/L | | | Koshin | | | | | |
| kie | | | I/L | | | Kibet | | | | | |
| kif | | | I/L | | | Parbate, Eastern | | | | | |
| kig | | | I/L | | | Kimaama | | | | | |
| kih | | | I/L | | | Kilmeri | | | | | |
| kii | | | I/E | | | Kitsai | kitsai | | | | |
| kij | | | I/L | | | Kilivila | | | | | Kilivila |
| kik | ki | kik | I/L | Niger–Congo | Gĩkũyũ | Kikuyu | kikuyu | quicuyú | 基库尤语; 吉库尤语 | кикуйю | Kikuyu |
| kil | | | I/L | | | Kariya | | | | | |
| kim | | | I/L | | Тоъфа | Karagas | | tofa | 卡拉嘎斯语 | | |
| kin | rw | kin | I/L | Niger–Congo | kinyaRwanda | Kinyarwanda | rwanda | ruandés | 基尼阿万达语; 卢安达语 | киньяруанда | Kinyarwanda |
| kio | | | I/L | | Cáuijo̱:gà | Kiowa | kiowa | kiowa | 基奧瓦语 | | |
| 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 | 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 | 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 | | | | | |
| krf | | | I/L | | | Koro (Vanuatu) | | | | | |
| (krg) | | | | | | North Korowai | | | | | |
| krh | | | I/L | | | Kurama | | | | | |
| kri | | | I/L | | | Krio | keriu | | 塞拉利昂克里奥尔语 | | Krio |
| krj | | | I/L | | | Kinaray-A | | | | | |
| krk | | | I/E | | | Kerek | Kerek | | | керекский | |
| krl | | krl | I/L | | karjala | Karelian | carélien | carelio | 卡累利阿语 | карельский | Karelisch |
| (krm) | | | I/L | | | Krim | | | | | |
| krn | | | I/L | | | Sapo | | | | | |
| krp | | | I/L | | | Korop | | | | | |
| (krq) | | | | | | Krui | | | | | |
| krr | | | I/L | | | Kru'ng 2 | | | | | |
| krs | | | I/L | | | Gbaya (Sudan) | | | | | |
| krt | | | I/L | | | Kanuri, Tumari | | | | | |
| kru | | kru | I/L | | | Kurukh | kurukh | curuj | 库卢克语 | | |
| krv | | | I/L | | | Kravet | | | | | |
| krw | | | I/L | | | Krahn, Western | | | | | |
| krx | | | I/L | | | Karon | Karone (langue) | | | | |
| kry | | | I/L | | | Kryts | | kryts | | | |
| krz | | | I/L | | | Kanum, Sota | | | | | |
| (ksa) | | | I/L | | | Shuwa-Zamani | | | | | |
| ksb | | | I/L | | | Shambala | | | | шамбала | |
| ksc | | | I/L | | | Kalinga, Southern | | | | | |
| ksd | | | I/L | | | Kuanua | | | 托莱语 | | |
| kse | | | I/L | | | Kuni | | | | | |
| ksf | | | I/L | | | Bafia | | | | бафиа | |
| ksg | | | I/L | | | Kusaghe | | | | кусайе | |
| ksh | | | I/L | | Kölsch | Colognian | Kölsch | | 库尔施语 | | Kölsch |
| ksi | | | I/L | | | Krisa | | | | | |
| ksj | | | I/L | | | Uare | | | | | |
| ksk | | | I/L | | Kaáⁿze | Kansa | | kansa | | | |
| ksl | | | I/L | | | Kumalu | | | | | |
| ksm | | | I/L | | | Kumba | | | | | |
| ksn | | | I/L | | | Kasiguranin | | | | | |
| kso | | | I/L | | | Kofa | | | | | |
| ksp | | | I/L | | | Kaba | | | | | |
| ksq | | | I/L | | | Kwaami | | | | | |
| ksr | | | I/L | | | Borong | | | | | |
| kss | | | I/L | | | Kisi, Southern | | | | | |
| kst | | | I/L | | | Winyé | | | | | |
| ksu | | | I/L | | | Khamyang | | | 坎佯语 | | |
| ksv | | | I/L | | | Kusu | | | | | |
| ksw | | | I/L | | | Karen, S'gaw | | | | | |
| ksx | | | I/L | | | Kedang | | | | | Kedang |
| ksy | | | I/L | | | Kharia Thar | | | | | |
| ksz | | | I/L | | | Koraku | | | | | |
| kta | | | I/L | | | Katua | | | | | |
| ktb | | | I/L | | | Kambaata | | | | | |
| ktc | | | I/L | | | Kholok | | | | | |
| ktd | | | I/L | | | Kokata | | | | | |
| kte | | | I/L | | | Nubri | | | | | |
| ktf | | | I/L | | | Kwami | | | | | |
| ktg | | | I/E | | | Kalkutungu | | | | | |
| kth | | | I/L | | | Karanga | | | | каранга | |
| kti | | | I/L | | | Muyu, North | | | | | |
| ktj | | | I/L | | | Krumen, Plapo | | | | | |
| ktk | | | I/E | | | Kaniet | | | | | |
| ktl | | | I/L | | | Koroshi | | | | | |
| ktm | | | I/L | | | Kurti | | | | | |
| ktn | | | I/L | | | Karitiâna | | karitiâna | | | |
| kto | | | I/L | | | Kuot | | | | | |
| ktp | | | I/L | | | Kaduo | | | 卡多语 | | |
| ktq | | | I/E | | | Katabaga | | | | | |
| (ktr) | | | I/L | | | Kota Marudu Tinagas | | | | | |
| kts | | | I/L | | | Muyu, South | | | | | |
| ktt | | | I/L | | | Ketum | | | | | |
| ktu | | | I/L | | | Kituba (Democratic Republic of Congo) | | | | | |
| ktv | | | I/L | | | Katu, Eastern | | | | | |
| ktw | | | I/E | | | Kato | | | | | |
| ktx | | | I/L | | | Kaxararí | | kaxararí | | | |
| kty | | | I/L | | | Kango (Bas-Uélé District) | | | | | |
| ktz | | | I/L | | | Ju/'hoan | | | | | |
| kua | kj | kua | I/L | Niger–Congo | kuanyama | Kuanyama | kuanyama | | 宽亚玛语; 贡耶玛语 | кваньяма | |
| kub | | | I/L | | | Kutep | | | | | |
| kuc | | | I/L | | | Kwinsu | | | | | |
| kud | | | I/L | | | 'Auhelawa | | | | | 'Auhelawa |
| kue | | | I/L | | | Kuman | | | 钦布语 | | |
| kuf | | | I/L | | | Katu, Western | | | | | |
| kug | | | I/L | | | Kupa | | | | | |
| kuh | | | I/L | | | Kushi | | | | | |
| kui | | | I/L | | | Kuikúro-Kalapálo | | kuikúro-kalapálo | | | |
| kuj | | | I/L | | | Kuria | | | | курия | |
| kuk | | | I/L | | | Kepo' | | | | | |
| kul | | | I/L | | | Kulere | | | | | |
| kum | | kum | I/L | | Къумукъ | Kumyk | koumyk | kumyko | 库梅克语 | кумыкский | Kumykisch |
| kun | | | I/L | | | Kunama | | | 库纳马语 | | Kunama |
| kuo | | | I/L | | | Kumukio | | | | | |
| kup | | | I/L | | | Kunimaipa | | | | | |
| kuq | | | I/L | | | Karipuná | | karipuná | | | |
| kur | ku | kur | M/L | Indo-European | Kurdî | Kurdish | kurde | kurdo | 库尔德语; 库德语 | курдский | Kurdisch |
| kus | | | I/L | | | Kusaal | | | | | |
| kut | | kut | I/L | | Ktunaxa | Kutenai | kutenai | | 库特内语 | кутенаи | |
| kuu | | | I/L | | | Kuskokwim, Upper | | | | | |
| kuv | | | I/L | | | Kur | | | | | |
| kuw | | | I/L | | | Kpagua | | | | | |
| kux | | | I/L | | | Kukatja | | | | | |
| kuy | | | I/L | | | Kuuku-Ya'u | | | | | |
| kuz | | | I/E | | | Kunza | | | | | |
| kva | | | I/L | | | Bagvalal | bagvalal | bagvalal | 巴格瓦拉尔语 | | |
| kvb | | | I/L | | | Kubu | | | | | |
| kvc | | | I/L | | | Kove | | | | | Kove |
| kvd | | | I/L | | | Kui (Indonesia) | | | | | |
| kve | | | I/L | | | Kalabakan | | | | | |
| kvf | | | I/L | | | Kabalai | | | | | |
| kvg | | | I/L | | | Kuni-Boazi | | | | | |
| kvh | | | I/L | | | Komodo | | | | | |
| kvi | | | I/L | | | Kwang | | | | | |
| kvj | | | I/L | | | Psikye | | | | | |
| kvk | | | I/L | | | Korean Sign Language | | | 韩国手语 | | |
| kvl | | | I/L | | | Karen, Brek | | | | | |
| kvm | | | I/L | | | Kendem | | | | | |
| kvn | | | I/L | | | Kuna, Border | | | | | |
| kvo | | | I/L | | | Dobel | | | | | |
| kvp | | | I/L | | | Kompane | | | | | |
| kvq | | | I/L | | | Karen, Geba | | | | | |
| kvr | | | I/L | | | Kerinci | | | | | Kerinci |
| (kvs) | | | I/L | | | Kunggara | | | | | |
| kvt | | | I/L | | | Karen, Lahta | | | | | |
| kvu | | | I/L | | | Karen, Yinbaw | | | | | |
| kvv | | | I/L | | | Kola | | | | | |
| kvw | | | I/L | | | Wersing | | | | | |
| kvx | | | I/L | | | Koli, Parkari | | | | | |
| kvy | | | I/L | | | Karen, Yintale | | | | | |
| kvz | | | I/L | | | Tsakwambo | | | | | |
| kwa | | | I/L | | | Dâw | | | | | |
| kwb | | | I/L | | | Kwa | | | | | |
| kwc | | | I/L | | | Likwala | | | | | |
| kwd | | | I/L | | | Kwaio | | | | | |
| kwe | | | I/L | | | Kwerba | | | | | |
| kwf | | | I/L | | | Kwara'ae | | | | | Kwara'ae |
| kwg | | | I/L | | | Kaba Deme | | | | | |
| kwh | | | I/L | | | Kowiai | | | | | Kowiai |
| kwi | | | I/L | | | Awa-Cuaiquer | | | | | |
| kwj | | | I/L | | | Kwanga | | | | | |
| kwk | | | I/L | | Kwak̓wala | Kwakiutl | | | 夸扣特尔语 | | |
| kwl | | | I/L | | | Kofyar | | | | | |
| kwm | | | I/L | | | Kwambi | | | | | |
| kwn | | | I/L | | | Kwangali | | | | квангали | |
| kwo | | | I/L | | | Kwomtari | | | | | |
| kwp | | | I/L | | | Kodia | | | | | |
| (kwq) | | | I/L | | | Kwak | | | | | |
| kwr | | | I/L | | | Kwer | | | | | |
| kws | | | I/L | | | Kwese | | | | | |
| kwt | | | I/L | | | Kwesten | | | | | |
| kwu | | | I/L | | | Kwakum | | | | | |
| kwv | | | I/L | | | Kaba Na | | | | | |
| kww | | | I/L | | | Kwinti | | | | | |
| kwx | | | I/L | | | Khirwar | | | | | |
| kwy | | | I/L | | | Kongo, San Salvador | | | | | |
| kwz | | | I/E | | | Kwadi | kwadi | | | | |
| kxa | | | I/L | | | Kairiru | | | | | Kairiru |
| kxb | | | I/L | | | Krobu | | | | | |
| kxc | | | I/L | | | Komso | | | | | |
| kxd | | | I/L | | | Brunei | | | | | |
| (kxe) | | | I/L | | | Kakihum | | | | | |
| kxf | | | I/L | | | Karen, Manumanaw | | | | | |
| (kxg) | | | | | | Katingan | | | | | |
| kxh | | | I/L | | | Karo (Ethiopia) | | | | | |
| kxi | | | I/L | | | Keningau Murut | | | | | |
| kxj | | | I/L | | | Kulfa | | | | | |
| kxk | | | I/L | | | Karen, Zayein | | | | | |
| (kxl) | | | I/L | | | Kurux, Nepali | | | 尼泊尔库鲁克语 | | |
| kxm | | | I/L | | ខ្មែរលើ | Khmer, Northern | | | 北高棉语 | | |
| kxn | | | I/L | | | Kanowit | | | | | |
| kxo | | | I/E | | | Kanoé | | kanoé | | | |
| kxp | | | I/L | | | Koli, Wadiyara | | | | | |
| kxq | | | I/L | | | Kanum, Smärky | | | | | |
| kxr | | | I/L | | | Koro (Papua New Guinea) | | | | | |
| kxs | | | I/L | | | Kangjia | | | 康家语 | | |
| kxt | | | I/L | | | Koiwat | | | | | |
| (kxu) | | | I/L | | | Kui (India) | | kui | 库伊语 | | |
| kxv | | | I/L | | | Kuvi | | | 库维语 | | |
| kxw | | | I/L | | | Konai | | | | | |
| kxx | | | I/L | | | Likuba | | | | | |
| kxy | | | I/L | | | Kayong | | | | | |
| kxz | | | I/L | | | Kerewo | | | | | |
| kya | | | I/L | | | Kwaya | | | | | |
| kyb | | | I/L | | | Kalinga, Butbut | | | | | |
| kyc | | | I/L | | | Kyaka | | | | | |
| kyd | | | I/L | | | Karey | | | | | |
| kye | | | I/L | | | Krache | | | | | |
| kyf | | | I/L | | | Kouya | | | | | |
| kyg | | | I/L | | | Keyagana | | | | | |
| kyh | | | I/L | | | Karok | | karok | | | |
| kyi | | | I/L | | | Kiput | | | | | |
| kyj | | | I/L | | | Karao | | | | | |
| kyk | | | I/L | | | Kamayo | | | | | |
| kyl | | | I/L | | | Kalapuya | | | | | |
| kym | | | I/L | | | Kpatili | | | | | |
| kyn | | | I/L | | | Karolanos | | | | | |
| kyo | | | I/L | | | Kelon | | | | | |
| kyp | | | I/L | | | Kang | | | 黑傣语 | | |
| kyq | | | I/L | | | Kenga | | | | | |
| kyr | | | I/L | | | Kuruáya | | kuruáya | | | |
| kys | | | I/L | | | Kayan, Baram | | | | | |
| kyt | | | I/L | | | Kayagar | | | | | |
| kyu | | | I/L | | | Kayah, Western | | | | | |
| kyv | | | I/L | | | Kayort | | | | | |
| kyw | | | I/L | | | Kudmali | | | 库马利语 | | |
| kyx | | | I/L | | | Rapoisi | | | | | |
| kyy | | | I/L | | | Kambaira | | | | | |
| kyz | | | I/L | | | Kayabí | | kayabí | | | |
| kza | | | I/L | | | Karaboro, Western | | | | | |
| kzb | | | I/L | | | Kaibobo | | | | | |
| kzc | | | I/L | | | Kulango, Bondoukou | | | | | |
| kzd | | | I/L | | | Kadai | | | | | |
| kze | | | I/L | | | Kosena | | | | | |
| kzf | | | I/L | | | Kaili, Da'a | | | | | |
| kzg | | | I/L | | | Kikai | | | 喜界岛琉球语 | | |
| (kzh) | | | I/L | | | Kenuzi-Dongola | | | | | |
| kzi | | | I/L | | | Kelabit | | | | | |
| (kzj) | | | I/L | | | Kadazan, Coastal | | | | | |
| kzk | | | I/E | | | Kazukuru | | | | | |
| kzl | | | I/L | | | Kayeli | | | | | |
| kzm | | | I/L | | | Kais | | | | | |
| kzn | | | I/L | | | Kokola | | | | | |
| kzo | | | I/L | | | Kaningi | | | | | |
| kzp | | | I/L | | | Kaidipang | | | | | |
| kzq | | | I/L | | | Kaike | | | | | |
| kzr | | | I/L | | | Karang | | | | | |
| kzs | | | I/L | | | Dusun, Sugut | | | | | |
| (kzt) | | | I/L | | | Dusun, Tambunan | | | | | |
| kzu | | | I/L | | | Kayupulau | | | | | Kayupulau |
| kzv | | | I/L | | | Komyandaret | | | | | |
| kzw | | | I/E | | | Karirí-Xocó | | | | | |
| kzx | | | I/E | | | Kamarian | | | | | |
| kzy | | | I/L | | | Kango (Tshopo District) | | | | | |
| kzz | | | I/L | | | Kalabra | | | | | |
