| Adi: Komkar | |
| Baluchi: Dera Ghazi Khan | |
| Bangla: Kera | |
| Bhili: Magra Ki Boli | |
| Bodo: Kachari | |
| Chakhesang: Khuzhale | |
| Chin, Eastern Khumi | |
| Chin, Eastern Khumi: Lemi | |
| Chin, Falam: Khualshim | |
| Chin, Khumi | |
| Chin, Khumi: Bangladesh | |
| Chin, Khumi: Yindi | |
| Desia: Koraput | |
| Desia: Kotpad | |
| Garasia, Adiwasi: Nyar Ki Boli | |
| Gujarati: Kathiyawadi | |
| Gujarati: Koli | |
| Gurung: Kaski | |
| Irula: Vette Kada | |
| Kadar | |
| Kaikadi | |
| Kaipeng | |
| Kanashi | |
| Kanauji | |
| Kanauri | |
| Kangri | |
| Kanikkaran | |
| Kanjari | |
| Kanjari: Kuchbandhi | |
| Karbi | |
| Karbi: Amri | |
| Karen, S'gaw | |
| Karmokar | |
| Kashmiri | |
| Kashmiri: Kishtwari | |
| Kathodi | |
| Kau Bru | |
| Khadia | |
| Khadia: Dhelki | |
| Khadia: Dudh | |
| Khaling | |
| Khamti | |
| Khamti: Assam | |
| Khamyang | |
| Khandesi | |
| Khasi | |
| Khasia | |
| Khasi: War | |
| Khirwar | |
| Khond | |
| Khowar | |
| Khyang | |
| Kihavu | |
| Kinnauri, Bhoti | |
| Kinnauri, Chhoyul | |
| Kinnauri, Chitkuli | |
| Kinnauri, Pahari | |
| Kisan | |
| Kituba (Congo) | |
| Koch | |
| Koda | |
| Kokan | |
| Kok-Borok | |
| Kok Borok: Debbarma | |
| Kokborok: Khagrachari | |
| Kokoni: Dhulia | |
| Kokoni: Nasik | |
| Kolami, Northwestern | |
| Kolami, Southeastern: Metla-Kinwat | |
| Kolami: Madka-Kinwa | |
| Kolami: Wani | |
| Kolha | |
| Koli | |
| Koli, Wadiyara | |
| Kom Hrem | |
| Konda Dora | |
| Konkani | |
| Konkani, Goan | |
| Konkani, Goan: Bardeskari | |
| Konkani, Goan: Sarasvat Brahmin | |
| Konkani: Mangalore | |
| Kora | |
| Koraku | |
| Koraru, Koroga | |
| Korku: Bauriya | |
| Korku: Mawasi | |
| Korku: Ramekhera | |
| Koro | |
| Korwa | |
| Kota | |
| Kotia: Araku | |
| Kotkhai | |
| Koya. | |
| Koya | |
| Koya: Godavari | |
| Koya: Malakangiri | |
| Koya: Podia | |
| Kudiya | |
| Kui, Dawik | |
| Kui: Ganjam | |
| Kui (India) | |
| Kukna | |
| Kului | |
| Kulunge | |
| Kumaoni | |
| Kumar: Orissa | |
| Kumauni: Central | |
| Kumauni: Pashchimi | |
| Kumauni: Soriyali | |
| Kumbar | |
| Kunchi Korva | |
| Kupiya | |
| Kurichia | |
| Kurmali: Chaibasa | |
| Kurukh | |
| Kurukh: Ambikapur | |
| Kurumba, Jennu | |
| Kurumba, Kannada | |
| Kurumba, Vatta | |
| Kurumbas: Attapadi | |
| Kurumba: Thean | |
| Kurumba: Wooraly | |
| Kurux | |
| Kutchi | |
| Kutchi Kohli | |
| Kuvi | |
| Maithili: Kisan | |
| Marathi: Kudubi | |
| Monpa, Kalaktang | |
| Mullu Kurumba | |
| Naga, Kharam | |
| Naga, Khezha | |
| Naga, Khiamniungan | |
| Naga, Khoibu | |
| Naga, Konyak | |
| Naga, Tangshang: Khemsing | |
| Naga: Kaishan, Pangmi | |
| Naga: Tan Kung | |
| Nepali: Kalikot | |
| Nepali: Kathmandu | |
| Newari: Kathmandu | |
| Paharia: Kumar Bagh | |
| Pahari: Kotgarhi | |
| Pangwali: Kilari | |
| Porja: Konda | |
| Rung, Kutiyal | |
| Scllile Kayather | |
| Stod Bhoti: Khoksar | |
| Thadou Kuki | |
| Tharu, Kathariya | |
| Tharu, Madhya Ksetriya | |
| Tharu: Khatima | |
| Tulu: Kasergod | |