| 23082 | Kwerisa | du | | | Voorhoeve (1975) | |
| 22597 | Kwerba (Airmati Dialect) | kumwa | | | Voorhoeve (1975) | |
| 22513 | Kwerba | hac | | | Voorhoeve (1975) | |
| 24928 | Kurudu | mnda | | | Voorhoeve (1975) | |
| 165904 | Kuot | oləbuan | | | Lindström (2008) | |
| 21947 | Kuni-Boazi | kowk | | | Voorhoeve (1975) | |
| 28078 | Kuni-Boazi | kou̯k | | | Voorhoeve (1970) | |
| 32560 | Kuman | borɔmai | | | Salisbury (1956) | |
| 32559 | Kuman | maiam | | | Salisbury (1956) | |
| 663 | Kuman | bořumai | | | Trefry (1969) | |
| 36465 | Kula | ŋãw'eyα | | | Stokhof (1975) | |
| 37753 | Kui (Kiramang Dialect) | n'ɛwɛ | | | Stokhof (1975) | |
| 36231 | Kui | wæ | | | Stokhof (1975) | |
| 5695 | Kubo | ayo | | | Shaw (1973) | |
| 7167 | Kubo | ayo | | | Shaw (1986) | |
| 91493 | Kube | sawa | (its) blood | | McElhanon (1967) | (its) blood |
| 140507 | Kowaki | hetu | | | Z'graggen (1980) | blood |
| 33761 | Kosare | ña | | | Heeschen (1978) | |
| 210555 | Korowai | bɯŋ'gæ | | | Hughes (2009) | |
| 19907 | Korapun-Sela | iniŋ | | | Voorhoeve (1975) | |
| 140497 | Korak | kakaras | | | Z'graggen (1980) | blood |
| 48188 | Korafe (Rabade Dialect) | o'roro | blood | | Smallhorn (2011) | |
| 48187 | Korafe (Mokorua Dialect) | ororo | blood | | Smallhorn (2011) | |
| 235430 | Kopar | yuwaran | | | Foley (2005) | |
| 236100 | Kopar | yuwaran | | | Foley (2005) | |
| 245384 | Kopar (Singarin Dialect) | 'řařən | | | SIL (1977) | |
| 21266 | Koneraw | iri | | | Voorhoeve (1975) | |
| 22227 | Konda | ua | | | Voorhoeve (1975) | |
| 16600 | Konai | kafi | | | Shaw (1986) | |
| 210761 | Komyandaret | sɨ'liʔ | | | Hughes (2009) | |
| 148952 | Komba (Puleng River Dialect) | sap | | | Southwell (1976) | blood |
| 148859 | Komba (Gwama River (South) Dialect) | gilâm | | | Southwell (1976) | blood |
| 148813 | Komba (Gwama River (North) Dialect) | gilâm | | | Southwell (1976) | blood |
| 148906 | Komba (Ândâ River Dialect) | gilâm | | | Southwell (1976) | blood |
| 91487 | Komba | sep- | (its) blood | | McElhanon (1967) | (its) blood |
| 230629 | Kol | 'be:la | | | SIL (1981) | |
| 21987 | Kokoda (Tarof Dialect) | apatomo | | | Voorhoeve (1975) | |
| 22027 | Kokoda (Kasuweri Dialect) | apato | | | Voorhoeve (1975) | |
| 15291 | Koitabu | taɣo | blood | | Dutton (2010) | |
| 195995 | Kobon | lakañ | + | | Pawley (2013) | |
| 164272 | Kobon | haŋ'gaβe | | | Davies and Comrie (1985) | his blood |
| 195994 | Kobon | hagape | + | | Pawley (2013) | |
| 140512 | Kobol | ɛs | | | Z'graggen (1980) | blood |
| 35044 | Klon (Probur Dialect) | wɛʔ | | | Stokhof (1975) | |
| 35163 | Klon (Halerman Dialect) | weh | | | Stokhof (1975) | |
| 77649 | Klon | wéq | | | Baird (2008) | |
| 213485 | Kirikiri (Faia Dialect) | kuɾu | | | Clouse (1997) | |
| 213486 | Kirikiri | klu | | | Clouse (1997) | |
| 237083 | Kire | vusun | | | Foley (2005) | |
| 19742 | Kimaghima | dörö | | | Voorhoeve (1975) | |
