| 836 | Kuman | ogupu | | | Trefry (1969) | |
| 36492 | Kula | in'iki | | | Stokhof (1975) | |
| 37780 | Kui (Kiramang Dialect) | sid'α | | | Stokhof (1975) | |
| 36258 | Kui | αl'at- | | | Stokhof (1975) | |
| 5709 | Kubo | kowȩ | | | Shaw (1973) | |
| 155231 | Kube | sakesaʔ | | | McElhanon and Voorhoeve (1970) | sand |
| 91283 | Kube | sakesa | sand | | McElhanon (1967) | sand |
| 143021 | Kowaki | sereb | | | Z'graggen (1980) | sand |
| 155222 | Kovai | maǥ | | | McElhanon and Voorhoeve (1970) | sand |
| 33825 | Kosare | rɩ'ti | | | Heeschen (1978) | |
| 210610 | Korowai | kɑ'ɾe:ɾ̥ | | | Hughes (2009) | |
| 143011 | Korak | malʌl | | | Z'graggen (1980) | sand |
| 53537 | Korafe (Rabade Dialect) | ɣo'nesa | sand | | Smallhorn (2011) | |
| 53526 | Korafe (Mokorua Dialect) | 'kora | sand | | Smallhorn (2011) | |
| 245413 | Kopar (Singarin Dialect) | 'kʰəkʰəřən | | | SIL (1977) | |
| 240499 | Kopar (Singarin Dialect) | ˈkʰəkʰəřən | | | Abbott (1985) | |
| 210812 | Komyandaret | ˈʔæmbɯ | | | Hughes (2009) | |
| 148395 | Komba (Puleng River Dialect) | sak | | | Southwell (1976) | sand |
| 148396 | Komba (Gwama River (South) Dialect) | sak | | | Southwell (1976) | sand |
| 148393 | Komba (Gwama River (North) Dialect) | sak | | | Southwell (1976) | sand |
| 148394 | Komba (Ândâ River Dialect) | sak | | | Southwell (1976) | sand |
| 91277 | Komba | sak | sand | | McElhanon (1967) | sand |
| 155234 | Komba | sak | | | McElhanon and Voorhoeve (1970) | sand |
| 232003 | Kol | mo'rɒ:no | | | SIL (1981) | |
| 196206 | Kobon | kuɫup | + | | Pawley (2013) | |
| 143026 | Kobol | horom | | | Z'graggen (1980) | sand |
| 35071 | Klon (Probur Dialect) | αl'at- | | | Stokhof (1975) | |
| 35190 | Klon (Halerman Dialect) | al'at | not sure whether this is /l/ or /i/ | | Stokhof (1975) | |
| 213832 | Kirikiri (Faia Dialect) | kaɾi | | | Clouse (1997) | |
| 213833 | Kirikiri | kaɾi | | | Clouse (1997) | |
| 155226 | Kinalakna | nupi | | | McElhanon and Voorhoeve (1970) | sand |
| 6426 | Kibiri | peiri | | | Wurm (1973) | |
| 33579 | Ketengban | me wininga | | | Heeschen (1978) | |
| 180033 | Kesawai | wiskilː | | | Z'graggen (1980) | sand |
| 6839 | Kerewo | nori | | | Wurm (1973) | |
| 4110 | Keoru-Ahia | mea kekelea | | | Brown (1973) | |
| 4175 | Keoru-Ahia | miri ho'oro | | | Brown (1973) | |
| 4320 | Keoru-Ahia (Aheave Dialect) | mea kekele | | | Brown (1973) | |
| 4385 | Keoru-Ahia (Aheave Dialect) | miri holo | | | Brown (1973) | |
| 123997 | Kein | u:s | | | Z'graggen (1980) | sand |
| 17471 | Kawacha | wora | | | Lloyd (1973) | |
| 29429 | Kaure | kuti | | | Voorhoeve (1971) | |
| 213844 | Kaure | biɾsɛ | | | Clouse (1997) | |
| 155243 | Kâte (Wemo Dialect) | moŋgeŋ | | | McElhanon and Voorhoeve (1970) | sand |
| 155242 | Kâte (Wâmora Dialect) | moŋgeŋ | | | McElhanon and Voorhoeve (1970) | sand |
| 155241 | Kâte (Mâgobineng Dialect) | meŋgaŋ | | | McElhanon and Voorhoeve (1970) | sand |
| 91282 | Kâte | moŋgeŋ | sand | | McElhanon (1967) | sand |
| 2015 | Kasua | iti paiya | | | Franklin and Voorhoeve (1973) | |
| 123994 | Kare | e:sigi | | | Z'graggen (1980) | sand |
| 224998 | Kapriman | nʌngu | | | Dye et al (1968) | |
