| 21061 | Kanum | tor | | | Voorhoeve (1975) | |
| 19571 | Kapauri | wano | | | Voorhoeve (1975) | |
| 224769 | Kapriman | bim | | | Dye et al (1968) | |
| 21776 | Karas | ŋier | | | Voorhoeve (1975) | |
| 243399 | Karawa | pilaka | | | Laycock (1968) | |
| 120463 | Kare | ogo- | | | Z'graggen (1980) | tooth |
| 34482 | Karon Dori | jépat | | | Miedema & Welling (1985) | |
| 23620 | Karon Dori | pesyen | | | Voorhoeve (1975) | |
| 16390 | Kasua | apa | | | Shaw (1986) | |
| 1991 | Kasua | apa | | | Franklin and Voorhoeve (1973) | |
| 91534 | Kâte | mic- | (its) tooth | | McElhanon (1967) | (its) tooth |
| 157391 | Kâte (Mâgobineng Dialect) | miʔ | | | McElhanon and Voorhoeve (1970) | tooth |
| 157392 | Kâte (Wâmora Dialect) | miʔ | | | McElhanon and Voorhoeve (1970) | tooth |
| 157393 | Kâte (Wemo Dialect) | miʔ | | | McElhanon and Voorhoeve (1970) | tooth |
| 29445 | Kaure | sbeje | | | Voorhoeve (1971) | |
| 19449 | Kaure | səbokai | | | Voorhoeve (1975) | |
| 22584 | Kauwera | kwan | | | Voorhoeve (1975) | |
| 17447 | Kawacha | maanga | | | Lloyd (1973) | |
| 29259 | Kayagar | oxom | | | Voorhoeve (1971) | |
| 20620 | Kayagar | oxom | | | Voorhoeve (1975) | |
| 236764 | Kayan | ndakai | | | Foley (2005) | |
| 120467 | Kein | ae- | | | Z'graggen (1980) | tooth |
| 21856 | Kemberano | eretine | | | Voorhoeve (1975) | |
| 25925 | Kemtuik | wasraŋ | | | Voorhoeve (1975) | |
| 4296 | Keoru-Ahia (Aheave Dialect) | kao | | | Brown (1973) | |
| 4086 | Keoru-Ahia | kao | | | Brown (1973) | |
| 6815 | Kerewo | iyopai | | | Wurm (1973) | |
| 176802 | Kesawai | wai | | | Z'graggen (1980) | tooth |
| 33595 | Ketengban | tsi | | | Heeschen (1978) | |
| 33401 | Keuw | mée-yô | | | Kamholz (2012) | |
| 6402 | Kibiri | koropi | | | Wurm (1973) | |
| 19771 | Kimaghima | travae | | | Voorhoeve (1975) | |
| 157375 | Kinalakna | dzɛt | | | McElhanon and Voorhoeve (1970) | tooth |
| 237079 | Kire | tʰar | | | Foley (2005) | |
| 77539 | Klon | wéh | | | Baird (2008) | |
| 35102 | Klon (Halerman Dialect) | nɛw'ɩh | | | Stokhof (1975) | |
| 34983 | Klon (Probur Dialect) | nɛw'ɛh | | | Stokhof (1975) | |
| 139823 | Kobol | anaumunum | | | Z'graggen (1980) | tooth |
| 196283 | Kobon | magö | + | | Pawley (2013) | |
| 196282 | Kobon | meg | + | | Pawley (2013) | |
| 196281 | Kobon | mag | + | | Pawley (2013) | |
| 163590 | Kobon | meŋkʰ | | | Davies and Comrie (1985) | tooth |
| 22056 | Kokoda (Kasuweri Dialect) | eresinu | | | Voorhoeve (1975) | |
| 22016 | Kokoda (Tarof Dialect) | eretinumo | | | Voorhoeve (1975) | |
| 229612 | Kol | mi̠řɛ kɛřnɛ | | | SIL (1962) | |
| 230382 | Kol | 'mire | | | SIL (1981) | |
| 157384 | Komba | sot | | | McElhanon and Voorhoeve (1970) | tooth |
| 91529 | Komba | sât- | (its) tooth | | McElhanon (1967) | (its) tooth |
| 148694 | Komba (Ândâ River Dialect) | sâtŋâ | tooth (his) | | Southwell (1976) | tooth (his) |
| 148693 | Komba (Gwama River (North) Dialect) | sâtŋâ | tooth (his) | | Southwell (1976) | tooth (his) |
