| 237771 | Kwoma | hopo | | | Foley (2005) | |
| 166045 | Kuot | kakok | | | Lindström (2008) | |
| 29827 | Kuni-Boazi | o̯azɛɤ̣ɑm | | | Voorhoeve (1970) | |
| 1165 | Kuman | togi | | | Trefry (1969) | |
| 36503 | Kula | s'apαlα | | | Stokhof (1975) | |
| 37791 | Kui (Kiramang Dialect) | mɔŋ | | | Stokhof (1975) | |
| 36269 | Kui | mɔn | | | Stokhof (1975) | |
| 92039 | Kube | mokoreŋ | snake | | McElhanon (1967) | snake |
| 141606 | Kowaki | marfiwi | | | Z'graggen (1980) | snake |
| 210577 | Korowai | ʔæ'nɔ:s | | | Hughes (2009) | |
| 141596 | Korak | kusil | | | Z'graggen (1980) | snake |
| 54253 | Korafe (Rabade Dialect) | jiŋ'gabu | snake | | Smallhorn (2011) | |
| 54252 | Korafe (Mokorua Dialect) | jiŋ'gabu | snake | | Smallhorn (2011) | |
| 236208 | Kopar | ikun | | | Foley (2005) | |
| 235538 | Kopar | ikun | | | Foley (2005) | |
| 245402 | Kopar (Singarin Dialect) | 'ikʰun | | | SIL (1977) | |
| 240489 | Kopar (Singarin Dialect) | ˈikʰʊn | | | Abbott (1985) | |
| 210783 | Komyandaret | æ'nɔʔ | | | Hughes (2009) | |
| 201621 | Kombai | gwɑri | | | Voorhoeve (2000) | |
| 148487 | Komba (Puleng River Dialect) | mulum | | | Southwell (1976) | snake |
| 148488 | Komba (Gwama River (South) Dialect) | mulum | | | Southwell (1976) | snake |
| 148485 | Komba (Gwama River (North) Dialect) | mulum | | | Southwell (1976) | snake |
| 148486 | Komba (Ândâ River Dialect) | mulum | | | Southwell (1976) | snake |
| 92033 | Komba | mulum | snake | | McElhanon (1967) | snake |
| 230654 | Kol | 'te:na | | | SIL (1981) | |
| 196234 | Kobon | re | - | | Pawley (2013) | |
| 164672 | Kobon | ɾ̥e | | | Davies and Comrie (1985) | snake |
| 196235 | Kobon | rue | - | | Pawley (2013) | |
| 141611 | Kobol | andu | | | Z'graggen (1980) | snake |
| 35082 | Klon (Probur Dialect) | mon | | | Stokhof (1975) | |
| 35201 | Klon (Halerman Dialect) | mʋn | | | Stokhof (1975) | |
| 77461 | Klon | moon | | | Baird (2008) | |
| 218960 | Kirikiri (Faia Dialect) | keβu | | | Clouse (1997) | |
| 218961 | Kirikiri | keβu | | | Clouse (1997) | |
| 237179 | Kire | kuruk | | | Foley (2005) | |
| 33364 | Keuw | dyóon-yè | snake (tree sp.) | | Kamholz (2012) | |
| 33363 | Keuw | péel-yò | snake (land sp.) | | Kamholz (2012) | |
| 178621 | Kesawai | naile | | | Z'graggen (1980) | snake |
| 122463 | Kein | man | | | Z'graggen (1980) | snake |
| 236864 | Kayan | mindop | | | Foley (2005) | |
| 29277 | Kayagar | jekor | | | Voorhoeve (1971) | |
| 29459 | Kaure | hei | | | Voorhoeve (1971) | |
| 218972 | Kaure | hay | | | Clouse (1997) | |
| 92038 | Kâte | homa | snake | | McElhanon (1967) | snake |
| 122460 | Kare | suːru | | | Z'graggen (1980) | snake |
| 224967 | Kapriman | bidyor | | | Dye et al (1968) | |
| 237177 | Kanggape | kiak | | | Foley (2005) | |
| 32308 | Kambaira | amemandi | | | SIL () | |
| 74299 | Kamano | osifá've | | | Scott (1978) | |
| 38026 | Kamang (Pido 2 Dialect) | kim'ebα | | | Stokhof (1975) | |
