| 210573 | Korowai | mjæ:n | | | Hughes (2009) | |
| 19910 | Korapun-Sela | kham | | | Voorhoeve (1975) | |
| 159912 | Korapun-Sela | kʰam | | | McElhanon and Voorhoeve (1970) | dog |
| 141145 | Korak | ku(w)ad | | | Z'graggen (1980) | dog |
| 49418 | Korafe (Rabade Dialect) | 'sino | dog | | Smallhorn (2011) | |
| 49417 | Korafe (Mokorua Dialect) | 'sino | dog | | Smallhorn (2011) | |
| 28249 | Korafe | sino | | | Wilson (1969) | |
| 240434 | Kopar (Singarin Dialect) | ˈor n | | | Abbott (1985) | |
| 245346 | Kopar (Singarin Dialect) | 'ořɛn | | | SIL (1977) | |
| 21269 | Koneraw | ubui | | | Voorhoeve (1975) | |
| 22230 | Konda | ajia | | | Voorhoeve (1975) | |
| 16623 | Konai | sɔ | | | Shaw (1986) | |
| 210779 | Komyandaret | mʲæ: | | | Hughes (2009) | |
| 148960 | Komba (Puleng River Dialect) | bua | | | Southwell (1976) | dog |
| 148866 | Komba (Gwama River (South) Dialect) | wâu | | | Southwell (1976) | dog |
| 148820 | Komba (Gwama River (North) Dialect) | wâu | | | Southwell (1976) | dog |
| 148913 | Komba (Ândâ River Dialect) | wâu | | | Southwell (1976) | dog |
| 159970 | Komba | bua | | | McElhanon and Voorhoeve (1970) | dog |
| 91431 | Komba | wau | dog | | McElhanon (1967) | dog |
| 229597 | Kol | kwa | | | SIL (1962) | |
| 231993 | Kol | ku'ɒ: | | | SIL (1981) | |
| 15574 | Koitabu | totoka | dog | | Dutton (2010) | |
| 15573 | Koitabu | to | dog | | Dutton (2010) | |
| 163280 | Kobon | kʰain | | | Davies and Comrie (1985) | dog |
| 196044 | Kobon | kayn | borrowed | | Pawley (2013) | |
| 196043 | Kobon | aɫadoi | - | | Pawley (2013) | |
| 141159 | Kobol | ulir | | | Z'graggen (1980) | dog |
| 35050 | Klon (Probur Dialect) | kur | | | Stokhof (1975) | |
| 35169 | Klon (Halerman Dialect) | kur | | | Stokhof (1975) | |
| 218539 | Kirikiri (Faia Dialect) | nabi | | | Clouse (1997) | |
| 218540 | Kirikiri | nabi | | | Clouse (1997) | |
| 159961 | Kinalakna | wa | | | McElhanon and Voorhoeve (1970) | dog |
| 19745 | Kimaghima | nöe | | | Voorhoeve (1975) | |
| 6435 | Kibiri | kavui kumi | | | Wurm (1973) | |
| 33615 | Ketengban | kam | | | Heeschen (1978) | |
| 178153 | Kesawai | ɛsʌːme | | | Z'graggen (1980) | dog |
| 6848 | Kerewo | kaukau | | | Wurm (1973) | |
| 4119 | Keoru-Ahia | ave | | | Brown (1973) | |
| 4329 | Keoru-Ahia (Aheave Dialect) | ave | | | Brown (1973) | |
| 25899 | Kemtuik | udo | | | Voorhoeve (1975) | |
| 21830 | Kemberano | roxe | | | Voorhoeve (1975) | |
| 121960 | Kein | pa(u) | | | Z'graggen (1980) | dog |
| 29204 | Kayagar | epe(re) | | | Voorhoeve (1971) | |
| 20594 | Kayagar | epere | | | Voorhoeve (1975) | |
| 17480 | Kawacha | lɨvaaya | | | Lloyd (1973) | |
| 22558 | Kauwera | okwa | | | Voorhoeve (1975) | |
| 218551 | Kaure | se | | | Clouse (1997) | |
| 19423 | Kaure | se | | | Voorhoeve (1975) | |
| 159979 | Kâte (Wemo Dialect) | kpɔtɔ | | | McElhanon and Voorhoeve (1970) | dog |
| 159978 | Kâte (Wâmora Dialect) | kpɔndo | | | McElhanon and Voorhoeve (1970) | dog |
