| 6447 | Kibiri | epui | | | Wurm (1973) | |
| 19741 | Kimaghima | cu-padere | | | Voorhoeve (1975) | |
| 237258 | Kire | pək | | | Foley (2005) | |
| 217744 | Kirikiri | ko-we | | | Clouse (1997) | |
| 77628 | Klon | qakan | | | Baird (2008) | |
| 35162 | Klon (Halerman Dialect) | αk'αn | | | Stokhof (1975) | |
| 35043 | Klon (Probur Dialect) | αk'an | | | Stokhof (1975) | |
| 144090 | Kobol | yuw | | | Z'graggen (1980) | (black) |
| 164883 | Kobon | 'ϕɨrɨ | | | Davies and Comrie (1985) | black |
| 195993 | Kobon | pɨrɨ | + | | Pawley (2013) | |
| 195992 | Kobon | mosɨb | + | | Pawley (2013) | |
| 22026 | Kokoda (Kasuweri Dialect) | kibitia | | | Voorhoeve (1975) | |
| 21986 | Kokoda (Tarof Dialect) | kibetia | | | Voorhoeve (1975) | |
| 230677 | Kol | 'ke:re: | | | SIL (1981) | |
| 91025 | Komba | sumun sumun | black | | McElhanon (1967) | black |
| 148911 | Komba (Ândâ River Dialect) | sumun | | | Southwell (1976) | black |
| 148818 | Komba (Gwama River (North) Dialect) | omon | | | Southwell (1976) | black |
| 148864 | Komba (Gwama River (South) Dialect) | omon | | | Southwell (1976) | black |
| 148958 | Komba (Puleng River Dialect) | sumun | | | Southwell (1976) | black |
| 210860 | Komyandaret | hæˈɣʷæbɯ | | | Hughes (2009) | |
| 16635 | Konai | dʌsigɔ̃ dʌgi | | | Shaw (1986) | |
| 22226 | Konda | musuage | | | Voorhoeve (1975) | |
| 21265 | Koneraw | sorte | | | Voorhoeve (1975) | |
| 144075 | Korak | malʌkos | | | Z'graggen (1980) | (black) |
| 19906 | Korapun-Sela | phirinap | | | Voorhoeve (1975) | |
| 210656 | Korowai | 'ʔæʔl̪ɯ: | | | Hughes (2009) | |
| 33858 | Kosare | sɩhe | | | Heeschen (1978) | |
| 33857 | Kosare | 'tomo | | | Heeschen (1978) | |
| 144084 | Kowaki | uru | | | Z'graggen (1980) | (black) |
| 91031 | Kube | dzapera | black | | McElhanon (1967) | black |
| 5730 | Kubo | bowogo | | | Shaw (1973) | |
| 7202 | Kubo | buwɔkɔ | | | Shaw (1986) | |
| 36230 | Kui | αk'αnA | | | Stokhof (1975) | |
| 37752 | Kui (Kiramang Dialect) | ak'anα | | | Stokhof (1975) | |
| 36464 | Kula | ak'annα | | | Stokhof (1975) | |
| 662 | Kuman | kama | | | Trefry (1969) | |
| 32602 | Kuman | kama | | | Salisbury (1956) | |
| 21946 | Kuni-Boazi | kekes | | | Voorhoeve (1975) | |
| 28077 | Kuni-Boazi | kěkěs | | | Voorhoeve (1970) | |
| 165900 | Kuot | puppul | adj (AN? =Nochi 'black, dirty') | | Lindström (2008) | |
| 165962 | Kuot | pul | | | Lindström (2008) | |
| 24927 | Kurudu | mometra | | | Voorhoeve (1975) | |
| 22512 | Kwerba | ijim | | | Voorhoeve (1975) | |
| 22596 | Kwerba (Airmati Dialect) | ijem | | | Voorhoeve (1975) | |
| 23081 | Kwerisa | ʔi | | | Voorhoeve (1975) | |
| 22877 | Kwesten | saŋkar | | | Voorhoeve (1975) | |
| 244528 | Kwoma | kəhapa | | | Laycock (1968) | |
| 164885 | Kyaka | pupuri | | | Davies and Comrie (1985) | black |
| 164884 | Kyenele (Kyaimbarang Dialect) | wɔŋgɔm | | | Davies and Comrie (1985) | black |
| 164891 | Kyenele (Miyak Dialect) | wɔŋgɔm | | | Davies and Comrie (1985) | black |
