| 73271 | Inoke-Yate | nó(na) | | | Scott (1978) | |
| 80667 | Ipili | ada | | | Franklin (1975) | |
| 192844 | Isabi | no | | | Z'graggen (1980) | house |
| 123809 | Isebe | yo | | | Z'graggen (1980) | house |
| 198419 | Iteri | nu | | | Conrad and Dye (1975) | |
| 197021 | Iteri (Rocky Peak Dialect) | nu | | | Conrad and Dye (1975) | |
| 237650 | Iwam | amkwa | | | Foley (2005) | |
| 179882 | Jilim | kʰořu | | | Z'graggen (1980) | house |
| 35721 | Kabola (Aimoli Dialect) | baŋ | | | Stokhof (1975) | |
| 36541 | Kabola (Hamap Dialect) | baŋ | | | Stokhof (1975) | |
| 37595 | Kabola (Pitumbang Dialect) | baŋ | | | Stokhof (1975) | |
| 34886 | Kafoa | 'αwi | | | Stokhof (1975) | |
| 220275 | Kaiy | kwaɾi | | | Clouse (1997) | |
| 261085 | Kaki Ae | ea | | | Strong (1911) | |
| 195697 | Kalam | kotp | | | Pawley (2013) | |
| 195698 | Kalam | katp | | | Pawley (2013) | |
| 35955 | Kamang | kar'i | | | Stokhof (1975) | |
| 37010 | Kamang (Kolomane Dialect) | kad'i | | | Stokhof (1975) | |
| 38533 | Kamang (Langkuru Dialect) | sɔl | | | Stokhof (1975) | |
| 38299 | Kamang (Letley Dialect) | s'üwɛʔ | | | Stokhof (1975) | |
| 260618 | Kamang (Pido 1 Dialect) | sɔ | | | Stokhof (1975) | |
| 260619 | Kamang (Pido 1 Dialect) | suw'αy | | | Stokhof (1975) | |
| 37947 | Kamang (Pido 2 Dialect) | sɔʔ | | | Stokhof (1975) | |
| 73266 | Kamano | no | | | Scott (1978) | |
| 32289 | Kambaira | maqi | | | SIL () | |
| 237062 | Kanggape | taŋ | | | Foley (2005) | |
| 224990 | Kapriman | wunuL | | | Dye et al (1968) | |
| 123803 | Kare | yagʌ:bu | | | Z'graggen (1980) | house |
| 220280 | Kaure | mba | | | Clouse (1997) | |
| 29280 | Kayagar | wuw | | | Voorhoeve (1971) | |
| 236749 | Kayan | endau | | | Foley (2005) | |
| 123806 | Kein | zaw | | | Z'graggen (1980) | house |
| 179863 | Kesawai | weiti | | | Z'graggen (1980) | house |
| 33291 | Keuw | áalí-yò | | | Kamholz (2012) | |
| 237064 | Kire | vun | | | Foley (2005) | |
| 237065 | Kire | pen | | | Foley (2005) | |
| 220269 | Kirikiri | kwa | | | Clouse (1997) | |
| 220268 | Kirikiri (Faia Dialect) | kwa | | | Clouse (1997) | |
| 77528 | Klon | iwi | | | Baird (2008) | |
| 77500 | Klon | alah | | | Baird (2008) | |
| 35122 | Klon (Halerman Dialect) | həw'ɩ | | | Stokhof (1975) | |
| 35003 | Klon (Probur Dialect) | üwi | | | Stokhof (1975) | |
| 142860 | Kobol | tuara(b) | | | Z'graggen (1980) | house |
| 164490 | Kobon | r̥am | | | Davies and Comrie (1985) | house |
| 196114 | Kobon | ram | - | | Pawley (2013) | |
| 230664 | Kol | me'la: | | | SIL (1981) | |
| 148899 | Komba (Ândâ River Dialect) | mirâ | | | Southwell (1976) | house |
| 148900 | Komba (Ândâ River Dialect) | namâ | | | Southwell (1976) | house |
| 148806 | Komba (Gwama River (North) Dialect) | miri | | | Southwell (1976) | house |
| 148807 | Komba (Gwama River (North) Dialect) | nami | | | Southwell (1976) | house |
