| 22582 | Kauwera | abic | | | Voorhoeve (1975) | |
| 17462 | Kawacha | mapiya | | | Lloyd (1973) | |
| 29254 | Kayagar | taam | | | Voorhoeve (1971) | |
| 20618 | Kayagar | taam | | | Voorhoeve (1975) | |
| 236728 | Kayan | ra | | | Foley (2005) | |
| 124223 | Kein | ʌm | | | Z'graggen (1980) | sun |
| 21854 | Kemberano | itane | | | Voorhoeve (1975) | |
| 25923 | Kemtuik | woy | | | Voorhoeve (1975) | |
| 4311 | Keoru-Ahia (Aheave Dialect) | homare | | | Brown (1973) | |
| 4101 | Keoru-Ahia | hovare | | | Brown (1973) | |
| 6830 | Kerewo | hewio | | | Wurm (1973) | |
| 180235 | Kesawai | wɛlɛ | | | Z'graggen (1980) | sun |
| 33592 | Ketengban | getane | | | Heeschen (1978) | |
| 33379 | Keuw | táadəә́n-yô | | | Kamholz (2012) | |
| 6417 | Kibiri | eri | | | Wurm (1973) | |
| 19769 | Kimaghima | öre | | | Voorhoeve (1975) | |
| 158939 | Kinalakna | paŋgat | | | McElhanon and Voorhoeve (1970) | sun |
| 237048 | Kire | ra | | | Foley (2005) | |
| 216677 | Kirikiri | tɔ | | | Clouse (1997) | |
| 216676 | Kirikiri (Faia Dialect) | tɔ | | | Clouse (1997) | |
| 35134 | Klon (Halerman Dialect) | wɛd- | | | Stokhof (1975) | |
| 35015 | Klon (Probur Dialect) | məd.'i | | | Stokhof (1975) | |
| 143221 | Kobol | wʌniŋ | | | Z'graggen (1980) | (sun) |
| 163663 | Kobon | 'sɩndʌ | | | Davies and Comrie (1985) | sun |
| 196251 | Kobon | pub | + | | Pawley (2013) | |
| 15626 | Koitabu | vani | sun | | Dutton (2010) | |
| 22054 | Kokoda (Kasuweri Dialect) | itaine | | | Voorhoeve (1975) | |
| 22014 | Kokoda (Tarof Dialect) | itain | | | Voorhoeve (1975) | |
| 230607 | Kol | 'karege | | | SIL (1981) | |
| 229618 | Kol | kařɛ̠qɛ | | | SIL (1962) | |
| 158947 | Komba | mirʌsiŋ | | | McElhanon and Voorhoeve (1970) | sun |
| 90829 | Komba | mirâsiŋ | sun | | McElhanon (1967) | sun |
| 201624 | Kombai | rei | | | Voorhoeve (2000) | |
| 210823 | Komyandaret | ts͡uː | | | Hughes (2009) | |
| 16605 | Konai | ʌsɔ | | | Shaw (1986) | |
| 22254 | Konda | ci | | | Voorhoeve (1975) | |
| 21293 | Koneraw | dzuwo | | | Voorhoeve (1975) | |
| 240454 | Kopar (Singarin Dialect) | ˈakʰʊn | | | Abbott (1985) | |
| 245363 | Kopar (Singarin Dialect) | 'akʰun | | | SIL (1977) | |
| 236046 | Kopar | akɨn | | | Foley (2005) | |
| 235376 | Kopar | akɨn | | | Foley (2005) | |
| 157192 | Korafe | izi | | | McElhanon and Voorhoeve (1970) | sun |
| 158967 | Korafe | izi | | | McElhanon and Voorhoeve (1970) | sun |
| 28263 | Korafe | izi | | | Wilson (1969) | |
| 54773 | Korafe (Mokorua Dialect) | 'iji | sun | | Smallhorn (2011) | |
| 54774 | Korafe (Rabade Dialect) | 'iji | sun | | Smallhorn (2011) | |
| 143206 | Korak | ud | | | Z'graggen (1980) | (sun) |
| 19934 | Korapun-Sela | isiŋ | | | Voorhoeve (1975) | |
| 210621 | Korowai | t̪o:β | | | Hughes (2009) | |
| 33836 | Kosare | ɛnɛ´ⸯ | | | Heeschen (1978) | |
