| 22579 | Kauwera | kura-kora | | | Voorhoeve (1975) | |
| 17456 | Kawacha | paa(ga) | | | Lloyd (1973) | |
| 29249 | Kayagar | pip | | | Voorhoeve (1971) | |
| 20615 | Kayagar | pip | | | Voorhoeve (1975) | |
| 121379 | Kein | gala- | | | Z'graggen (1980) | skin |
| 121378 | Kein | eni- | | | Z'graggen (1980) | skin |
| 21851 | Kemberano | akane | | | Voorhoeve (1975) | |
| 25920 | Kemtuik | saisuk | | | Voorhoeve (1975) | |
| 4305 | Keoru-Ahia (Aheave Dialect) | maea pura | | | Brown (1973) | |
| 4095 | Keoru-Ahia | maea iilu | | | Brown (1973) | |
| 6824 | Kerewo | tama | | | Wurm (1973) | |
| 177657 | Kesawai | mete | | | Z'graggen (1980) | skin |
| 177658 | Kesawai | kueinɛ | | | Z'graggen (1980) | skin |
| 33357 | Keuw | mpáakəә́t-yô | | | Kamholz (2012) | |
| 6411 | Kibiri | mapori | | | Wurm (1973) | |
| 19766 | Kimaghima | krara | | | Voorhoeve (1975) | |
| 156499 | Kinalakna | hala | | | McElhanon and Voorhoeve (1970) | skin |
| 213204 | Kirikiri | ɸi^e | | | Clouse (1997) | |
| 213203 | Kirikiri (Faia Dialect) | i^ɛ | | | Clouse (1997) | |
| 77682 | Klon | kui | | | Baird (2008) | |
| 77683 | Klon | keh | | | Baird (2008) | |
| 35113 | Klon (Halerman Dialect) | n'ɛkul | | | Stokhof (1975) | |
| 34994 | Klon (Probur Dialect) | nikw'i’ | | | Stokhof (1975) | |
| 140675 | Kobol | ogu | | | Z'graggen (1980) | (skin) |
| 163182 | Kobon | haɲ | | | Davies and Comrie (1985) | skin |
| 196226 | Kobon | hañ | - | | Pawley (2013) | |
| 14685 | Koitabu | vata-ka | skin | | Dutton (2010) | |
| 22051 | Kokoda (Kasuweri Dialect) | akis | | | Voorhoeve (1975) | |
| 22011 | Kokoda (Tarof Dialect) | akai | | | Voorhoeve (1975) | |
| 229592 | Kol | tomalu gomo | tomolu | | SIL (1962) | |
| 230141 | Kol | to'molu | | | SIL (1981) | |
| 156508 | Komba | sʌk | | | McElhanon and Voorhoeve (1970) | skin |
| 91599 | Komba | sâk- | (its) skin | | McElhanon (1967) | (its) skin |
| 148710 | Komba (Ândâ River Dialect) | sâkŋâ | skin (his) | | Southwell (1976) | skin (his) |
| 148709 | Komba (Gwama River (North) Dialect) | sâkŋâ | skin (his) | | Southwell (1976) | skin (his) |
| 148712 | Komba (Gwama River (South) Dialect) | sâkŋâ | skin (his) | | Southwell (1976) | skin (his) |
| 148711 | Komba (Puleng River Dialect) | sâkŋâ | skin (his) | | Southwell (1976) | skin (his) |
| 201617 | Kombai | xɑ | | | Voorhoeve (2000) | |
| 210760 | Komyandaret | Xæ | | | Hughes (2009) | |
| 16599 | Konai | kɔlɔ | | | Shaw (1986) | |
| 22251 | Konda | giri | | | Voorhoeve (1975) | |
| 21290 | Koneraw | par | | | Voorhoeve (1975) | |
| 245341 | Kopar (Singarin Dialect) | 'nangun | | | SIL (1977) | |
| 240430 | Kopar (Singarin Dialect) | ˈnangun | | | Abbott (1985) | |
| 28244 | Korafe | tamõ | | | Wilson (1969) | |
| 54008 | Korafe (Mokorua Dialect) | a'noso | skin | | Smallhorn (2011) | |
| 54009 | Korafe (Rabade Dialect) | a'noso | bark of tree | | Smallhorn (2011) | |
| 54052 | Korafe (Rabade Dialect) | 'tamo | skin | | Smallhorn (2011) | |
| 140661 | Korak | kim | | | Z'graggen (1980) | (skin) |
| 19931 | Korapun-Sela | boxa | | | Voorhoeve (1975) | |
