| 22241 | Kayardild | kilda | | | Evans (1995) | |
| 47799 | Kele | et- | | | Lynch et al. (2002) | |
| 47756 | Kele | étu | | | Lynch et al. (2002) | |
| 58750 | Kemedzung | bə˧ | | | Smoes (2010) | |
| 59815 | Keo (Udiworowatu Dialect) | miu | | | Baird (2002) | |
| 59906 | Keo (Udiworowatu Dialect) | miu | | | Baird (2002) | |
| 49266 | Ket | ə́kŋ | | | Georg (2006) | |
| 49218 | Kham (Western Parbate) (Takale Dialect) | je: | | | Watters (2002) | |
| 45514 | Khmer (Central Dialect) | loːk | | | Haiman (2011) | |
| 46475 | Kimaghima | iŋɡi | | | Boelaars (1950) | |
| 46514 | Kimaghima | iŋɡi | | | Boelaars (1950) | |
| 48738 | Kiowa | ám | | | Adger et al. (2008) | |
| 42322 | Kiwai, Northeast | rio | | | Brown (2009) | |
| 42370 | Kiwai, Southern | nigo | | | Ray (1907) | |
| 59749 | Klon | igi | | | Baird (2008) | |
| 38614 | Klon | igi | | | Baird (2008) | |
| 38617 | Klon | igi | | | Baird (2008) | |
| 27366 | Klon | igi | | | Baird (2008) | |
| 43835 | Koasati | hasnók | | | Kimball (1991) | |
| 29923 | Kobon | kale | | | Davies (1981) | |
| 29922 | Kobon | köl | | | Davies (1981) | |
| 39099 | Kobon | köl | | | Davies (1981) | |
| 39098 | Kobon | kale | | | Davies (1981) | |
| 34873 | Kodeoha | igomiu | | | Mead (1999) | |
| 42418 | Koitabu | yaka | | | Dutton (1975) | |
| 41847 | Kokoda | íγa | | | de Vries (2004) | |
| 48594 | Kokota | o | | | Palmer (2009) | |
| 57220 | Kolbila | yɛ́ | | | Littig (2009) | |
| 31597 | Kombai | nage | | | de Vries (1993) | |
| 40694 | Kombio | yipm | | | Henry (1992) | |
| 24056 | Komnzo | mbənə | | | Doehler () | |
| 57652 | Konni | nɪ | | | Cahill (1999) | |
| 55530 | Konyagi | wuɾ̃ə | | | Wilson (2007) | |
| 51606 | Koromfe | nakɔ | | | Rennison (1997) | |
| 40934 | Koromira | daa | | | Rausch (1912) | |
| 29476 | Korowai | gekhené | | | van Enk and de Vries (1997) | |
| 29475 | Korowai | gekhenép | | | van Enk and de Vries (1997) | |
| 39294 | Korowai | gekhenép | | | van Enk and de Vries (1997) | |
| 53773 | Kotiria | bɨ̃sã́ | | | Waltz and Waltz (2000) | |
| 45082 | Koya | miːru | | | Tyler (1969) | |
| 28964 | Kristang | bolotu | | | Baxter (1988) | |
| 56700 | Krobu | be˧ | | | Mensah (1983) | |
| 28133 | Kuku Yalanji | yura | | | Patz (2002) | |
| 58036 | Kulango, Bouna | ʔɩ̃˩ | | | Elders (2008) | |
| 42178 | Kunimaipa | ari | | | Geary (1977) | |
| 24188 | Kunja / Bondobol | ᵐbə̯n | | | Doehler spreadsheet | |
| 55666 | Kupang Malay | bosoŋ | | | Jacob and Grimes (2006) | |
| 43027 | Kurtöp | ningi | | | Hyslop (2014) | |
| 44938 | Kurukh | niːm | | | Hahn (1911) | |
| 62176 | Kuuk Thaayorre | nhurr | | | Gaby (2006) | |
