| 25912 | Kemtuik | səne | | | Voorhoeve (1975) | |
| 4368 | Keoru-Ahia (Aheave Dialect) | karukaru | | | Brown (1973) | |
| 4158 | Keoru-Ahia | karula | | | Brown (1973) | |
| 6886 | Kerewo | nimo | | | Wurm (1973) | |
| 178356 | Kesawai | pʌi | | | Z'graggen (1980) | louse |
| 33645 | Ketengban | amnye | | | Heeschen (1978) | |
| 6474 | Kibiri | nei | | | Wurm (1973) | |
| 19758 | Kimaghima | nöme | | | Voorhoeve (1975) | |
| 158835 | Kinalakna | yomɛn | | | McElhanon and Voorhoeve (1970) | louse |
| 218825 | Kirikiri | ɸli | | | Clouse (1997) | |
| 218824 | Kirikiri (Faia Dialect) | hni | | | Clouse (1997) | |
| 77653 | Klon | or | | | Baird (2008) | |
| 77611 | Klon | òkoin | | | Baird (2008) | |
| 35182 | Klon (Halerman Dialect) | ak'uyn | | | Stokhof (1975) | |
| 35063 | Klon (Probur Dialect) | αk'uyn | | | Stokhof (1975) | |
| 141353 | Kobol | uŋ | | | Z'graggen (1980) | louse |
| 164037 | Kobon | man | | | Davies and Comrie (1985) | louse |
| 14749 | Koitabu | umu | louse | | Dutton (2010) | |
| 22043 | Kokoda (Kasuweri Dialect) | kono | | | Voorhoeve (1975) | |
| 22003 | Kokoda (Tarof Dialect) | kono | | | Voorhoeve (1975) | |
| 230621 | Kol | 'tare | | | SIL (1981) | |
| 229630 | Kol | ta̠řɛ | | | SIL (1962) | |
| 91417 | Komba | imen | louse | | McElhanon (1967) | louse |
| 158844 | Komba | imen | | | McElhanon and Voorhoeve (1970) | louse |
| 148454 | Komba (Ândâ River Dialect) | imen | | | Southwell (1976) | louse |
| 148458 | Komba (Ândâ River Dialect) | pâre | | | Southwell (1976) | louse |
| 148453 | Komba (Gwama River (North) Dialect) | imen | | | Southwell (1976) | louse |
| 148457 | Komba (Gwama River (North) Dialect) | pâre | | | Southwell (1976) | louse |
| 148456 | Komba (Gwama River (South) Dialect) | imen | | | Southwell (1976) | louse |
| 148460 | Komba (Gwama River (South) Dialect) | pâre | | | Southwell (1976) | louse |
| 148455 | Komba (Puleng River Dialect) | imen | | | Southwell (1976) | louse |
| 148459 | Komba (Puleng River Dialect) | pâre | | | Southwell (1976) | louse |
| 201601 | Kombai | gu | | | Voorhoeve (2000) | |
| 210786 | Komyandaret | gu: | | | Hughes (2009) | |
| 16662 | Konai | ɔ̃u | | | Shaw (1986) | |
| 22243 | Konda | ano | | | Voorhoeve (1975) | |
| 21282 | Koneraw | am | | | Voorhoeve (1975) | |
| 240468 | Kopar (Singarin Dialect) | ˈmakʰəntʰə | | | Abbott (1985) | |
| 245375 | Kopar (Singarin Dialect) | 'makʰəntʰə | | | SIL (1977) | |
| 141339 | Korak | mem | | | Z'graggen (1980) | louse |
| 19923 | Korapun-Sela | wutnavu | | | Voorhoeve (1975) | |
| 210580 | Korowai | mə'ɾi: | | | Hughes (2009) | |
| 33799 | Kosare | mi | | | Heeschen (1978) | |
| 158832 | Kovai | apalau | | | McElhanon and Voorhoeve (1970) | louse |
| 141348 | Kowaki | ɔna | | | Z'graggen (1980) | louse |
| 91423 | Kube | imin | louse | | McElhanon (1967) | louse |
| 158841 | Kube | imiŋ | | | McElhanon and Voorhoeve (1970) | louse |
| 5757 | Kubo | o̧u̧ | | | Shaw (1973) | |
| 7229 | Kubo | oū | | | Shaw (1986) | |
| 36250 | Kui | kɔn | | | Stokhof (1975) | |
