| 75197 | Mailu | ava | | | Saville (1912) | |
| 21151 | Mai Brat | eyok | | | Voorhoeve (1975) | |
| 21150 | Mai Brat | ewok | | | Voorhoeve (1975) | |
| 143904 | Maia (Saki Dialect) | iŋɛr | | | Z'graggen (1980) | (two) |
| 143903 | Maia (Pila Dialect) | ŋier | | | Z'graggen (1980) | (two) |
| 256973 | Magɨ | agrenda | | | Daniels (2016) | |
| 180946 | Lemio | ʌr̃ki | | | Z'graggen (1980) | two |
| 164099 | Lembena (Yariba Dialect) | 'ɽaman | | | Davies and Comrie (1985) | two |
| 164091 | Lembena (Maibi Dialect) | ɽa'man | | | Davies and Comrie (1985) | two |
| 164090 | Lembena | lamana | | | Davies and Comrie (1985) | two |
| 76250 | Lavukaleve | lelal | two | | Tryon & Hackman (1983) | |
| 76071 | Lavukaleve | lemal | two | | Tryon & Hackman (1983) | |
| 22992 | Lau | bobararidi | | | Voorhoeve (1975) | |
| 164092 | Kyenele (Miyak Dialect) | aǏawin | | | Davies and Comrie (1985) | two |
| 164085 | Kyenele (Kyaimbarang Dialect) | aɽawi | | | Davies and Comrie (1985) | two |
| 164086 | Kyaka | lama | | | Davies and Comrie (1985) | two |
| 244645 | Kwoma | uprus | | | Laycock (1968) | |
| 22909 | Kwesten | nauar | | | Voorhoeve (1975) | |
| 23113 | Kwerisa | teia | | | Voorhoeve (1975) | |
| 22628 | Kwerba (Airmati Dialect) | nenemuan | | | Voorhoeve (1975) | |
| 22544 | Kwerba | inic | | | Voorhoeve (1975) | |
| 24959 | Kurudu | boru | | | Voorhoeve (1975) | |
| 165843 | Kuot | narain | | | Lindström (2008) | |
| 29852 | Kuni-Boazi | měnɑs | | | Voorhoeve (1970) | |
| 21978 | Kuni-Boazi | menes | | | Voorhoeve (1975) | |
| 745 | Kuman | suo | | | Trefry (1969) | |
| 36449 | Kula | y'akku | | | Stokhof (1975) | |
| 37737 | Kui (Kiramang Dialect) | αy'uku | | | Stokhof (1975) | |
| 36215 | Kui | αr'uku | | | Stokhof (1975) | |
| 7234 | Kubo | beaũ | | | Shaw (1986) | |
| 5762 | Kubo | beya̧u̧ | | | Shaw (1973) | |
| 90569 | Kube | rehek | two | | McElhanon (1967) | two |
| 25484 | Kowiai | ruwet | | | Voorhoeve (1975) | |
| 143909 | Kowaki | irɛᵬ | | | Z'graggen (1980) | (two) |
| 33841 | Kosare | tau | | | Heeschen (1978) | |
| 210665 | Korowai | jæʔme:ɾ̥ | | | Hughes (2009) | |
| 19938 | Korapun-Sela | bisini | | | Voorhoeve (1975) | |
| 143900 | Korak | itiɛl | | | Z'graggen (1980) | (two) |
| 236001 | Kopar | kombari | | | Foley (2005) | |
| 7680 | Kopar | kompari | | | Foley (1986) | |
| 235331 | Kopar | kombari | | | Foley (2005) | |
| 245377 | Kopar (Singarin Dialect) | 'kʰompaři | | | SIL (1977) | |
| 240470 | Kopar (Singarin Dialect) | ˈkʰompaři | | | Abbott (1985) | |
| 21297 | Koneraw | kuinam | | | Voorhoeve (1975) | |
| 22258 | Konda | rak | | | Voorhoeve (1975) | |
| 16667 | Konai | bʌnɔu | | | Shaw (1986) | |
| 210869 | Komyandaret | mɔːmɨˈnɛ | | | Hughes (2009) | |
| 148375 | Komba (Puleng River Dialect) | zagât | | | Southwell (1976) | two |
| 148376 | Komba (Gwama River (South) Dialect) | zagât | | | Southwell (1976) | two |
| 148373 | Komba (Gwama River (North) Dialect) | zagât | | | Southwell (1976) | two |
