| 235383 | Kopar | karep | | | Foley (2005) | |
| 245364 | Kopar (Singarin Dialect) | 'kʰařɛp | | | SIL (1977) | |
| 16606 | Konai | ʌgwɔ | | | Shaw (1986) | |
| 210824 | Komyandaret | ˈwɑɔh | | | Hughes (2009) | |
| 148934 | Komba (Puleng River Dialect) | laŋgep | | | Southwell (1976) | moon |
| 148842 | Komba (Gwama River (South) Dialect) | kâin | | | Southwell (1976) | moon |
| 148796 | Komba (Gwama River (North) Dialect) | oloŋgo | | | Southwell (1976) | moon |
| 148888 | Komba (Ândâ River Dialect) | kâin | | | Southwell (1976) | moon |
| 90591 | Komba | kain | moon | | McElhanon (1967) | moon |
| 229619 | Kol | i̠qu | | | SIL (1962) | |
| 230608 | Kol | 'igu | | | SIL (1981) | |
| 15345 | Koitabu | bata | moon | | Dutton (2010) | |
| 196142 | Kobon | rag+. | + | | Pawley (2013) | |
| 163688 | Kobon | 'ɾ̥aɤʌn | | | Davies and Comrie (1985) | moon |
| 196141 | Kobon | rakön | + | | Pawley (2013) | |
| 142887 | Kobol | ɛwiŋam | | | Z'graggen (1980) | (moon) |
| 35016 | Klon (Probur Dialect) | ur | | | Stokhof (1975) | |
| 35135 | Klon (Halerman Dialect) | ur | | | Stokhof (1975) | |
| 77675 | Klon | ur | | | Baird (2008) | |
| 216749 | Kirikiri (Faia Dialect) | tɔ | | | Clouse (1997) | |
| 216750 | Kirikiri | tɔ | | | Clouse (1997) | |
| 237053 | Kire | kəniŋ | | | Foley (2005) | |
| 6418 | Kibiri | umeri | | | Wurm (1973) | |
| 33296 | Keuw | dyúutəә́n-yò | | | Kamholz (2012) | |
| 33649 | Ketengban | ware | | | Heeschen (1978) | |
| 179891 | Kesawai | ʌsi | | | Z'graggen (1980) | moon |
| 6831 | Kerewo | bara | | | Wurm (1973) | |
| 4102 | Keoru-Ahia | papare | | | Brown (1973) | |
| 4312 | Keoru-Ahia (Aheave Dialect) | popare | | | Brown (1973) | |
| 123837 | Kein | geir | | | Z'graggen (1980) | moon |
| 236734 | Kayan | kare | | | Foley (2005) | |
| 29232 | Kayagar | xaxaram | | | Voorhoeve (1971) | |
| 17463 | Kawacha | kaamɨna | | | Lloyd (1973) | |
| 29416 | Kaure | gaka | | | Voorhoeve (1971) | |
| 216761 | Kaure | poka | | | Clouse (1997) | |
| 90596 | Kâte | mosa | moon | | McElhanon (1967) | moon |
| 16406 | Kasua | kunɛi | | | Shaw (1986) | |
| 2007 | Kasua | opo | | | Franklin and Voorhoeve (1973) | |
| 123834 | Kare | naway | | | Z'graggen (1980) | moon |
| 243807 | Karawa | yalma | | | Laycock (1968) | |
| 224785 | Kapriman | yagos | | | Dye et al (1968) | |
| 237051 | Kanggape | mənam | | | Foley (2005) | |
| 27336 | Kamula | mama | | | Reesink (1976) | |
| 16506 | Kamula | mʌmʌ | | | Shaw (1986) | |
| 1707 | Kamasa | ki'yapa | | | Lloyd (1973) | |
| 73732 | Kamano | íka | | | Scott (1978) | |
| 37960 | Kamang (Pido 2 Dialect) | hu | | | Stokhof (1975) | |
| 38194 | Kamang (Pido 1 Dialect) | uu | | | Stokhof (1975) | |
| 38312 | Kamang (Letley Dialect) | wuʔ | | | Stokhof (1975) | |
| 38546 | Kamang (Langkuru Dialect) | wud- | | | Stokhof (1975) | |
