| 163085 | Kobon | mlu | | | Davies and Comrie (1985) | nose |
| 196165 | Kobon | mulu | + | | Pawley (2013) | |
| 139738 | Kobol | metipe | | | Z'graggen (1980) | nose |
| 34973 | Klon (Probur Dialect) | nɛm'uyŋ | | | Stokhof (1975) | |
| 35092 | Klon (Halerman Dialect) | nɛm'uyŋ | | | Stokhof (1975) | |
| 77646 | Klon | muin | | | Baird (2008) | |
| 213017 | Kirikiri (Faia Dialect) | hadua | | | Clouse (1997) | |
| 213018 | Kirikiri | faisia | | | Clouse (1997) | |
| 237108 | Kire | kwom | | | Foley (2005) | |
| 155326 | Kinalakna | hɔŋgorɛ | | | McElhanon and Voorhoeve (1970) | nose |
| 6400 | Kibiri | urubi | | | Wurm (1973) | |
| 33311 | Keuw | klókəә̀n-yô | | | Kamholz (2012) | |
| 33570 | Ketengban | u | | | Heeschen (1978) | |
| 176715 | Kesawai | upu | | | Z'graggen (1980) | nose |
| 6813 | Kerewo | wodi | | | Wurm (1973) | |
| 4084 | Keoru-Ahia | ulolo | | | Brown (1973) | |
| 4294 | Keoru-Ahia (Aheave Dialect) | overa | | | Brown (1973) | |
| 236794 | Kayan | ŋgorak | | | Foley (2005) | |
| 29239 | Kayagar | jup | | | Voorhoeve (1971) | |
| 17445 | Kawacha | lɨpasi | | | Lloyd (1973) | |
| 29423 | Kaure | gopo | | | Voorhoeve (1971) | |
| 213029 | Kaure | hapu | | | Clouse (1997) | |
| 155342 | Kâte (Wemo Dialect) | sɔkeʔ | | | McElhanon and Voorhoeve (1970) | nose |
| 155341 | Kâte (Wâmora Dialect) | sɔge | | | McElhanon and Voorhoeve (1970) | nose |
| 155340 | Kâte (Mâgobineng Dialect) | tinaʔ | | | McElhanon and Voorhoeve (1970) | nose |
| 90890 | Kâte | sâke- | (its) nose | | McElhanon (1967) | (its) nose |
| 1989 | Kasua | mi | | | Franklin and Voorhoeve (1973) | |
| 16388 | Kasua | mĩ | | | Shaw (1986) | |
| 120370 | Kare | neme- | | | Z'graggen (1980) | nose |
| 243316 | Karawa | waklaka | | | Laycock (1968) | |
| 224677 | Kapriman | singova | | | Dye et al (1968) | |
| 237106 | Kanggape | eɲjia | | | Foley (2005) | |
| 27317 | Kamula | mu | | | Reesink (1976) | |
| 16488 | Kamula | mũ | | | Shaw (1986) | |
| 155247 | Kamoro | mirimu | | | McElhanon and Voorhoeve (1970) | nose |
| 32225 | Kambaira | aiqi | | | SIL () | |
| 1689 | Kamasa | sipata | | | Lloyd (1973) | |
| 73785 | Kamano | (ä)góna | | | Scott (1978) | |
| 37917 | Kamang (Pido 2 Dialect) | n'alpɩŋ | | | Stokhof (1975) | |
| 38151 | Kamang (Pido 1 Dialect) | nalp'uŋ | | | Stokhof (1975) | |
| 38269 | Kamang (Letley Dialect) | nalp'aŋ | | | Stokhof (1975) | |
| 38503 | Kamang (Langkuru Dialect) | nαyp'iŋ | | | Stokhof (1975) | |
| 36980 | Kamang (Kolomane Dialect) | nαn'ipɛŋ | | | Stokhof (1975) | |
| 35925 | Kamang | nalp'aŋ | | | Stokhof (1975) | |
| 16688 | Kaluli | migi | | | Shaw (1986) | |
| 3246 | Kaluli | migi | | | Franklin and Voorhoeve (1973) | |
| 195748 | Kalam | mluk | | | Pawley (2013) | |
| 261109 | Kaki Ae | no-i | | | Strong (1911) | |
| 6163 | Kaki Ae | noʔi | | | Brown (1973) | |
| 213024 | Kaiy | a-haɾwɛsa | | | Clouse (1997) | |
