| 240443 | Kopar (Singarin Dialect) | ˈpʰořəkʰain | | | Abbott (1985) | |
| 148943 | Komba (Puleng River Dialect) | ken | | | Southwell (1976) | road |
| 148850 | Komba (Gwama River (South) Dialect) | mâtâp | | | Southwell (1976) | road |
| 148804 | Komba (Gwama River (North) Dialect) | mâtâp | | | Southwell (1976) | road |
| 148897 | Komba (Ândâ River Dialect) | mâtap | | | Southwell (1976) | road |
| 160192 | Komba | mʌtʌp | | | McElhanon and Voorhoeve (1970) | road |
| 91207 | Komba | mâtâp | road | | McElhanon (1967) | road |
| 229603 | Kol | kɛrɛa | | | SIL (1962) | |
| 230374 | Kol | 'keria | | | SIL (1981) | |
| 15450 | Koitabu | ɣuma | path, road | | Dutton (2010) | |
| 163375 | Kobon | 'andan | | | Davies and Comrie (1985) | road |
| 35068 | Klon (Probur Dialect) | ăg'e | path | | Stokhof (1975) | |
| 35187 | Klon (Halerman Dialect) | lam | path | | Stokhof (1975) | |
| 77688 | Klon | egeq | | | Baird (2008) | |
| 160183 | Kinalakna | halap | | | McElhanon and Voorhoeve (1970) | road |
| 33318 | Keuw | ŋkéempúkəә̀-yô | path | | Kamholz (2012) | |
| 33576 | Ketengban | bisi | | | Heeschen (1978) | |
| 29245 | Kayagar | xami | road/path | | Voorhoeve (1971) | road/path |
| 29426 | Kaure | selu | road/path | | Voorhoeve (1971) | road/path |
| 160197 | Kâte (Wâmora Dialect) | yɔfɔ | | | McElhanon and Voorhoeve (1970) | road |
| 91212 | Kâte | hata | road | | McElhanon (1967) | road |
| 27349 | Kamula | api | path | | Reesink (1976) | path |
| 160111 | Kamoro | mawtawe | | | McElhanon and Voorhoeve (1970) | road |
| 73895 | Kamano | ka | path | | Scott (1978) | |
| 38012 | Kamang (Pido 2 Dialect) | ib'aʔ | path | | Stokhof (1975) | |
| 38261 | Kamang (Pido 1 Dialect) | l'urɔŋ | road | | Stokhof (1975) | |
| 38246 | Kamang (Pido 1 Dialect) | ĭy'ɛ | path | | Stokhof (1975) | |
| 38364 | Kamang (Letley Dialect) | y'ebα | path | | Stokhof (1975) | |
| 38598 | Kamang (Langkuru Dialect) | ib'α | path | | Stokhof (1975) | |
| 37075 | Kamang (Kolomane Dialect) | 'ɛba | path | | Stokhof (1975) | |
| 36020 | Kamang | yey | path | | Stokhof (1975) | |
| 160126 | Kaluli (Bosavi Dialect) | isu | | | McElhanon and Voorhoeve (1970) | road |
| 261116 | Kaki Ae | kedea | | | Strong (1911) | Road |
| 34951 | Kafoa | iy'ey | path | | Stokhof (1975) | |
| 37660 | Kabola (Pitumbang Dialect) | jɛ | path | | Stokhof (1975) | |
| 36606 | Kabola (Hamap Dialect) | sɛʔ'abur | path | | Stokhof (1975) | |
| 35786 | Kabola (Aimoli Dialect) | s'ɛbur | path | | Stokhof (1975) | |
| 160143 | Iyo | ore | | | McElhanon and Voorhoeve (1970) | road |
| 197272 | Iteri (Rocky Peak Dialect) | ʔæliwi | | | Conrad and Dye (1975) | |
| 198440 | Iteri | ʌři | | | Conrad and Dye (1975) | |
| 73900 | Inoke-Yate | ká(ná) | path | | Scott (1978) | |
| 219138 | Indonesian | jalanan | | | Kriens & Lebold (2010) | |
| 202079 | Iatmul (Tambanam Dialect) | yɛmpɨ | | | Staalsen (1969) | |
| 202347 | Iatmul (Korogo Dialect) | yɛmpɨ | | | Staalsen (1969) | |
| 202218 | Iatmul (Kanganaman Dialect) | yɛmpaw | | | Staalsen (1969) | |
| 202484 | Iatmul (Brugnowi Dialect) | yɛmpɨ | | | Staalsen (1969) | |
| 55286 | Hunjara-Kaina Ke | esa | white | | Smallhorn (2011) | |
| 53340 | Hunjara-Kaina Ke | 'reiki | road | | Smallhorn (2011) | |
| 53339 | Hunjara-Kaina Ke | deki | road | | Smallhorn (2011) | |
| 31976 | Huli | hářiga | | | SIL (1992) | |
