| 27349 | Kamula | api | path | | Reesink (1976) | path |
| 91212 | Kâte | hata | road | | McElhanon (1967) | road |
| 160197 | Kâte (Wâmora Dialect) | yɔfɔ | | | McElhanon and Voorhoeve (1970) | road |
| 29426 | Kaure | selu | road/path | | Voorhoeve (1971) | road/path |
| 29245 | Kayagar | xami | road/path | | Voorhoeve (1971) | road/path |
| 33576 | Ketengban | bisi | | | Heeschen (1978) | |
| 33318 | Keuw | ŋkéempúkəә̀-yô | path | | Kamholz (2012) | |
| 160183 | Kinalakna | halap | | | McElhanon and Voorhoeve (1970) | road |
| 77688 | Klon | egeq | | | Baird (2008) | |
| 35187 | Klon (Halerman Dialect) | lam | path | | Stokhof (1975) | |
| 35068 | Klon (Probur Dialect) | ăg'e | path | | Stokhof (1975) | |
| 163375 | Kobon | 'andan | | | Davies and Comrie (1985) | road |
| 15450 | Koitabu | ɣuma | path, road | | Dutton (2010) | |
| 230374 | Kol | 'keria | | | SIL (1981) | |
| 229603 | Kol | kɛrɛa | | | SIL (1962) | |
| 160192 | Komba | mʌtʌp | | | McElhanon and Voorhoeve (1970) | road |
| 91207 | Komba | mâtâp | road | | McElhanon (1967) | road |
| 148897 | Komba (Ândâ River Dialect) | mâtap | | | Southwell (1976) | road |
| 148804 | Komba (Gwama River (North) Dialect) | mâtâp | | | Southwell (1976) | road |
| 148850 | Komba (Gwama River (South) Dialect) | mâtâp | | | Southwell (1976) | road |
| 148943 | Komba (Puleng River Dialect) | ken | | | Southwell (1976) | road |
| 245350 | Kopar (Singarin Dialect) | 'pʰořəkʰain | | | SIL (1977) | |
| 240443 | Kopar (Singarin Dialect) | ˈpʰořəkʰain | | | Abbott (1985) | |
| 28250 | Korafe | emboro | | | Wilson (1969) | |
| 53391 | Korafe (Mokorua Dialect) | em'bolo | path | | Smallhorn (2011) | |
| 53392 | Korafe (Rabade Dialect) | em'boro | path | | Smallhorn (2011) | |
| 33822 | Kosare | kɛmɔrɔ´ | road, path | | Heeschen (1978) | |
| 160177 | Kovai | atam | | | McElhanon and Voorhoeve (1970) | road |
| 160189 | Kube | hɨna | | | McElhanon and Voorhoeve (1970) | road |
| 91213 | Kube | hena | road | | McElhanon (1967) | road |
| 160122 | Kubo | ai | | | McElhanon and Voorhoeve (1970) | road |
| 36255 | Kui | yɛ | path | | Stokhof (1975) | |
| 37792 | Kui (Kiramang Dialect) | ǰ'ɛbɔkɔ | path | | Stokhof (1975) | |
| 37777 | Kui (Kiramang Dialect) | l'uriŋ | road | | Stokhof (1975) | |
| 36489 | Kula | ig'ayaʔ | path | | Stokhof (1975) | |
| 83044 | Kulsab | kubu | | | Daniels (2010) | |
| 32577 | Kuman | konumbo | | | Salisbury (1956) | |
| 833 | Kuman | konbo | | | Trefry (1969) | |
| 160184 | Kumukio | kesɔp | | | McElhanon and Voorhoeve (1970) | road |
| 28637 | Kuni-Boazi | nɑḳɔu̯a | | | Voorhoeve (1970) | |
| 160133 | Kuni-Boazi (Boazi Dialect) | toqotap | | | McElhanon and Voorhoeve (1970) | road |
| 165947 | Kuot | alaŋ | (AN loan) | | Lindström (2008) | |
| 160153 | Kutong (Sakam Dialect) | kʌep | | | McElhanon and Voorhoeve (1970) | road |
| 163377 | Kyaka | kata | | | Davies and Comrie (1985) | road |
| 163376 | Kyenele (Kyaimbarang Dialect) | maj | | | Davies and Comrie (1985) | road |
| 163383 | Kyenele (Miyak Dialect) | mayt | | | Davies and Comrie (1985) | road |
| 76044 | Lavukaleve | lake | road | | Tryon & Hackman (1983) | |
| 163381 | Lembena | ka'se | | | Davies and Comrie (1985) | road |
| 163382 | Lembena (Maibi Dialect) | ka'se | | | Davies and Comrie (1985) | road |
| 163391 | Lembena (Yariba Dialect) | xa't̮ɕe | | | Davies and Comrie (1985) | road |
