| 23617 | Karon Dori | fra | | | Voorhoeve (1975) | |
| 16413 | Kasua | etewʌ | | | Shaw (1986) | |
| 2014 | Kasua | etoa | | | Franklin and Voorhoeve (1973) | |
| 91296 | Kâte | kpânâ | stone | | McElhanon (1967) | stone |
| 214558 | Kaure | tɛsi | | | Clouse (1997) | |
| 29438 | Kaure | tisi | | | Voorhoeve (1971) | |
| 19446 | Kaure | təsi | | | Voorhoeve (1975) | |
| 22592 | Kauwera | ton | | | Voorhoeve (1975) | |
| 22581 | Kauwera | kaowi | | | Voorhoeve (1975) | |
| 17470 | Kawacha | laasa | | | Lloyd (1973) | |
| 29253 | Kayagar | kakup | | | Voorhoeve (1971) | |
| 20617 | Kayagar | kakup | | | Voorhoeve (1975) | |
| 124157 | Kein | ai | | | Z'graggen (1980) | stone |
| 21853 | Kemberano | ureko | | | Voorhoeve (1975) | |
| 25922 | Kemtuik | dəmu | | | Voorhoeve (1975) | |
| 4319 | Keoru-Ahia (Aheave Dialect) | ohore | | | Brown (1973) | |
| 4109 | Keoru-Ahia | ohora | | | Brown (1973) | |
| 6838 | Kerewo | akábu | | | Wurm (1973) | |
| 180172 | Kesawai | waulo | | | Z'graggen (1980) | stone |
| 180173 | Kesawai | ɛbo | | | Z'graggen (1980) | stone |
| 33591 | Ketengban | gil | | | Heeschen (1978) | |
| 33375 | Keuw | tóotí-yò | | | Kamholz (2012) | |
| 6425 | Kibiri | aburi upo | | | Wurm (1973) | |
| 19768 | Kimaghima | mete | | | Voorhoeve (1975) | |
| 157457 | Kinalakna | kot | | | McElhanon and Voorhoeve (1970) | stone |
| 214564 | Kirikiri | kui^a | | | Clouse (1997) | |
| 214547 | Kirikiri | ɸai | | | Clouse (1997) | |
| 214546 | Kirikiri (Faia Dialect) | hai | | | Clouse (1997) | |
| 77716 | Klon | wòr | | | Baird (2008) | |
| 35139 | Klon (Halerman Dialect) | wɛɛr | | | Stokhof (1975) | |
| 35020 | Klon (Probur Dialect) | wɔr | | | Stokhof (1975) | |
| 143162 | Kobol | pusirim | | | Z'graggen (1980) | stone |
| 163399 | Kobon | 'kʰambʌ | | | Davies and Comrie (1985) | stone |
| 196246 | Kobon | kabö | + | | Pawley (2013) | |
| 15135 | Koitabu | muni | stone | | Dutton (2010) | |
| 22053 | Kokoda (Kasuweri Dialect) | ureko | | | Voorhoeve (1975) | |
| 22013 | Kokoda (Tarof Dialect) | ureko | | | Voorhoeve (1975) | |
| 230375 | Kol | 'lela | | | SIL (1981) | |
| 229604 | Kol | lɛla | | | SIL (1962) | |
| 91291 | Komba | kât | stone | | McElhanon (1967) | stone |
| 157464 | Komba | kɔt | | | McElhanon and Voorhoeve (1970) | stone |
| 148406 | Komba (Ândâ River Dialect) | kât | | | Southwell (1976) | stone |
| 148405 | Komba (Gwama River (North) Dialect) | kât | | | Southwell (1976) | stone |
| 148408 | Komba (Gwama River (South) Dialect) | kât | | | Southwell (1976) | stone |
| 148407 | Komba (Puleng River Dialect) | kât | | | Southwell (1976) | stone |
| 210811 | Komyandaret | ɾɨŋˈgi | | | Hughes (2009) | |
| 16613 | Konai | yo | | | Shaw (1986) | |
| 22253 | Konda | patyo | | | Voorhoeve (1975) | |
| 21292 | Koneraw | mate | | | Voorhoeve (1975) | |
| 245351 | Kopar (Singarin Dialect) | 'pʰatʰ | | | SIL (1977) | |
