| 35176 | Klon (Halerman Dialect) | mʋn'ɔk | | | Stokhof (1975) | |
| 35057 | Klon (Probur Dialect) | nɔk | | | Stokhof (1975) | |
| 143945 | Kobol | berey | | | Z'graggen (1980) | good |
| 164940 | Kobon | aint̮ɕ | | | Davies and Comrie (1985) | good |
| 196094 | Kobon | mel | - | | Pawley (2013) | |
| 196093 | Kobon | gib | - | | Pawley (2013) | |
| 196092 | Kobon | ec | - | | Pawley (2013) | |
| 196091 | Kobon | ayc | - | | Pawley (2013) | |
| 15076 | Koitabu | maɣe | good | | Dutton (2010) | |
| 22037 | Kokoda (Kasuweri Dialect) | nigei | | | Voorhoeve (1975) | |
| 21997 | Kokoda (Tarof Dialect) | nigei | | | Voorhoeve (1975) | |
| 230681 | Kol | 'ma:na | | | SIL (1981) | |
| 91095 | Komba | âlipŋâ | good | | McElhanon (1967) | good |
| 148774 | Komba (Ândâ River Dialect) | âlipŋâ | | | Southwell (1976) | good |
| 148773 | Komba (Gwama River (North) Dialect) | âlipŋâ | | | Southwell (1976) | good |
| 148776 | Komba (Gwama River (South) Dialect) | âlipŋâ | | | Southwell (1976) | good |
| 148775 | Komba (Puleng River Dialect) | âlipŋâ | | | Southwell (1976) | good |
| 210886 | Komyandaret | mbɔˈwɑliʔ | | | Hughes (2009) | |
| 16631 | Konai | bɔnɔfĩ | | | Shaw (1986) | |
| 22237 | Konda | soboro | | | Voorhoeve (1975) | |
| 21276 | Koneraw | cumargib | | | Voorhoeve (1975) | |
| 240505 | Kopar (Singarin Dialect) | ˈařatʰətʰ | | | Abbott (1985) | |
| 245422 | Kopar (Singarin Dialect) | 'ařatʰətʰ | | | SIL (1977) | |
| 143929 | Korak | maŋap | | | Z'graggen (1980) | good |
| 19917 | Korapun-Sela | salep | | | Voorhoeve (1975) | |
| 210682 | Korowai | kə'ni:m | | | Hughes (2009) | |
| 33785 | Kosare | 'sɛngɛ | | | Heeschen (1978) | |
| 143939 | Kowaki | mores | | | Z'graggen (1980) | good |
| 91101 | Kube | fia | good | | McElhanon (1967) | good |
| 5726 | Kubo | de | | | Shaw (1973) | |
| 7198 | Kubo | de | | | Shaw (1986) | |
| 36244 | Kui | n'ɔkα | | | Stokhof (1975) | |
| 37766 | Kui (Kiramang Dialect) | kaŋ | | | Stokhof (1975) | |
| 36478 | Kula | k'annʔ | | | Stokhof (1975) | |
| 32600 | Kuman | wagai | | | Salisbury (1956) | |
| 801 | Kuman | wagai | | | Trefry (1969) | |
| 21957 | Kuni-Boazi | mboma | | | Voorhoeve (1975) | |
| 28580 | Kuni-Boazi | boma | | | Voorhoeve (1970) | |
| 165850 | Kuot | mur | adj | | Lindström (2008) | |
| 165981 | Kuot | məgo | adj | | Lindström (2008) | |
| 24938 | Kurudu | sewi | | | Voorhoeve (1975) | |
| 22523 | Kwerba | ovunu | | | Voorhoeve (1975) | |
| 22607 | Kwerba (Airmati Dialect) | esam | | | Voorhoeve (1975) | |
| 23092 | Kwerisa | kiaroxwa | | | Voorhoeve (1975) | |
| 22888 | Kwesten | aisama | | | Voorhoeve (1975) | |
| 244390 | Kwoma | kep | | | Laycock (1968) | |
| 164942 | Kyaka | keyange | | | Davies and Comrie (1985) | good |
| 164941 | Kyenele (Kyaimbarang Dialect) | anaϕuari | | | Davies and Comrie (1985) | good |
| 22971 | Lau | daki | | | Voorhoeve (1975) | |
| 76219 | Lavukaleve | hombea | good | | Tryon & Hackman (1983) | |
