| 148434 | Komba (Ândâ River Dialect) | nâk | | | Southwell (1976) | tree |
| 148433 | Komba (Gwama River (North) Dialect) | nâk | | | Southwell (1976) | tree |
| 148436 | Komba (Gwama River (South) Dialect) | nâk | | | Southwell (1976) | tree |
| 148435 | Komba (Puleng River Dialect) | nâk | | | Southwell (1976) | tree |
| 210792 | Komyandaret | ⁿdɔˈluh | | | Hughes (2009) | |
| 16620 | Konai | hʌbe | | | Shaw (1986) | |
| 22257 | Konda | oxot-moro | | | Voorhoeve (1975) | |
| 21296 | Koneraw | to | | | Voorhoeve (1975) | |
| 245368 | Kopar (Singarin Dialect) | 'ɛřař | | | SIL (1977) | |
| 240460 | Kopar (Singarin Dialect) | ˈɛřař | | | Abbott (1985) | |
| 28269 | Korafe | iaka | | | Wilson (1969) | |
| 55369 | Korafe (Mokorua Dialect) | i[ka] | tree | | Smallhorn (2011) | |
| 55370 | Korafe (Rabade Dialect) | i[ka] | tree | | Smallhorn (2011) | |
| 142213 | Korak | ta | | | Z'graggen (1980) | tree |
| 156440 | Korapun-Sela | kal | | | McElhanon and Voorhoeve (1970) | tree |
| 19937 | Korapun-Sela | khal | | | Voorhoeve (1975) | |
| 210587 | Korowai | su: | | | Hughes (2009) | |
| 33840 | Kosare | tĩⁿdi | | | Heeschen (1978) | |
| 142222 | Kowaki | nʌ | | | Z'graggen (1980) | tree |
| 91367 | Kube | ik | tree | | McElhanon (1967) | tree |
| 5715 | Kubo | home | | | Shaw (1973) | |
| 7187 | Kubo | hɔme | | | Shaw (1986) | |
| 36196 | Kui | αt'ey | | | Stokhof (1975) | |
| 37718 | Kui (Kiramang Dialect) | att'ey | | | Stokhof (1975) | |
| 36430 | Kula | as'akkα | | | Stokhof (1975) | |
| 83506 | Kulsab | tar | | | Daniels (2010) | |
| 32578 | Kuman | endi | | | Salisbury (1956) | |
| 21977 | Kuni-Boazi | geynam | | | Voorhoeve (1975) | |
| 30539 | Kuni-Boazi | tɑi | | | Voorhoeve (1970) | |
| 30538 | Kuni-Boazi | tae | | | Voorhoeve (1970) | |
| 24958 | Kurudu | ai-bro | | | Voorhoeve (1975) | |
| 22550 | Kwerba | icə | | | Voorhoeve (1975) | |
| 22543 | Kwerba | ec | | | Voorhoeve (1975) | |
| 22627 | Kwerba (Airmati Dialect) | idedes | | | Voorhoeve (1975) | |
| 23112 | Kwerisa | u | | | Voorhoeve (1975) | |
| 22916 | Kwesten | tibur | | | Voorhoeve (1975) | |
| 22908 | Kwesten | tim | | | Voorhoeve (1975) | |
| 244189 | Kwoma | me | | | Laycock (1968) | |
| 237744 | Kwoma | me | | | Foley (2005) | |
| 163808 | Kyaka | isa | | | Davies and Comrie (1985) | tree |
| 163807 | Kyenele (Kyaimbarang Dialect) | mu | | | Davies and Comrie (1985) | tree |
| 163814 | Kyenele (Miyak Dialect) | mï | | | Davies and Comrie (1985) | tree |
| 22991 | Lau | uii | | | Voorhoeve (1975) | |
| 163812 | Lembena | isa | | | Davies and Comrie (1985) | tree |
| 163813 | Lembena (Maibi Dialect) | 'isa | | | Davies and Comrie (1985) | tree |
| 163821 | Lembena (Yariba Dialect) | 'isa | | | Davies and Comrie (1985) | tree |
| 163822 | Lembena (Yariba Dialect) | 'it̮ɕa | | | Davies and Comrie (1985) | tree |
| 179255 | Lemio | a:r̃ | | | Z'graggen (1980) | tree |
| 157182 | Madi | da | | | McElhanon and Voorhoeve (1970) | tree |
| 256993 | Magɨ | te | | | Daniels (2016) | |
