| 17477 | Kawacha | iga | | | Lloyd (1973) | |
| 22585 | Kauwera | ic | | | Voorhoeve (1975) | |
| 19450 | Kaure | teija | | | Voorhoeve (1975) | |
| 19457 | Kaure | te | | | Voorhoeve (1975) | |
| 29446 | Kaure | te | | | Voorhoeve (1971) | |
| 217308 | Kaure | tei | | | Clouse (1997) | |
| 91366 | Kâte | yâc | tree | | McElhanon (1967) | tree |
| 2021 | Kasua | tai | | | Franklin and Voorhoeve (1973) | |
| 16420 | Kasua | i | | | Shaw (1986) | |
| 23621 | Karon Dori | ara | | | Voorhoeve (1975) | |
| 34483 | Karon Dori | ara | | | Miedema & Welling (1985) | |
| 123138 | Kare | kaima | | | Z'graggen (1980) | tree |
| 244179 | Karawa | tau | | | Laycock (1968) | |
| 21777 | Karas | ror | | | Voorhoeve (1975) | |
| 224805 | Kapriman | mə | | | Dye et al (1968) | |
| 19572 | Kapauri | tretaro | | | Voorhoeve (1975) | |
| 21062 | Kanum | per | | | Voorhoeve (1975) | |
| 237134 | Kanggape | ɣək | | | Foley (2005) | |
| 16520 | Kamula | tʌli | | | Shaw (1986) | |
| 27350 | Kamula | dali | | | Reesink (1976) | |
| 21376 | Kamoro | ote | | | Voorhoeve (1975) | |
| 21416 | Kamberau | ora | | | Voorhoeve (1975) | |
| 1721 | Kamasa | isa | | | Lloyd (1973) | |
| 74672 | Kamano | yáfa | | | Scott (1978) | |
| 37953 | Kamang (Pido 2 Dialect) | b'ataʔ | | | Stokhof (1975) | |
| 38187 | Kamang (Pido 1 Dialect) | bɔŋbatt'a | | | Stokhof (1975) | |
| 38305 | Kamang (Letley Dialect) | bɔŋ | | | Stokhof (1975) | |
| 38539 | Kamang (Langkuru Dialect) | bαt'α | | | Stokhof (1975) | |
| 37016 | Kamang (Kolomane Dialect) | bɔŋ | | | Stokhof (1975) | |
| 35961 | Kamang | bŋ | | | Stokhof (1975) | |
| 16720 | Kaluli | i | | | Shaw (1986) | |
| 3278 | Kaluli | i | | | Franklin and Voorhoeve (1973) | |
| 195854 | Kalam | mon | | | Pawley (2013) | |
| 195855 | Kalam | mab | | | Pawley (2013) | |
| 20017 | Kalabra | kout | | | Voorhoeve (1975) | |
| 6195 | Kaki Ae | oproro | | | Brown (1973) | |
| 261151 | Kaki Ae | oporo | | | Strong (1911) | |
| 23152 | Kaiy | ku | | | Voorhoeve (1975) | |
| 217303 | Kaiy | ku^ | | | Clouse (1997) | |
| 25646 | Kais | komino | | | Voorhoeve (1975) | |
| 34892 | Kafoa | 'attɛ | | | Stokhof (1975) | |
| 37601 | Kabola (Pitumbang Dialect) | tiʔ | | | Stokhof (1975) | |
| 36547 | Kabola (Hamap Dialect) | tʰɛ | | | Stokhof (1975) | |
| 35727 | Kabola (Aimoli Dialect) | tii | | | Stokhof (1975) | |
| 179270 | Jilim | yom | | | Z'graggen (1980) | tree |
| 237737 | Iwam | pae(kap) | | | Foley (2005) | |
| 244185 | Iwam | paykap | | | Laycock (1968) | |
| 22868 | Itik | ti | | | Voorhoeve (1975) | |
| 197290 | Iteri (Rocky Peak Dialect) | ʔa | | | Conrad and Dye (1975) | |
| 198455 | Iteri | ąʔ | | | Conrad and Dye (1975) | |
