| 122171 | Kare | mi | | | Z'graggen (1980) | louse |
| 244343 | Karawa | nipia | | | Laycock (1968) | |
| 21763 | Karas | mun | | | Voorhoeve (1975) | |
| 224845 | Kapriman | nʌmɩs | | | Dye et al (1968) | |
| 19558 | Kapauri | usa | | | Voorhoeve (1975) | |
| 21048 | Kanum | ne:mpin | | | Voorhoeve (1975) | |
| 16562 | Kamula | iyʌ | | | Shaw (1986) | |
| 27395 | Kamula | iya | | | Reesink (1976) | |
| 21362 | Kamoro | mamo | | | Voorhoeve (1975) | |
| 158761 | Kamoro | namo | | | McElhanon and Voorhoeve (1970) | louse |
| 21402 | Kamberau | oa | | | Voorhoeve (1975) | |
| 32312 | Kambaira | numi | | | SIL () | |
| 1763 | Kamasa | iya | | | Lloyd (1973) | |
| 73648 | Kamano | hínäma | | | Scott (1978) | |
| 38007 | Kamang (Pido 2 Dialect) | bun | | | Stokhof (1975) | |
| 38241 | Kamang (Pido 1 Dialect) | bun | | | Stokhof (1975) | |
| 38359 | Kamang (Letley Dialect) | b'uni | | | Stokhof (1975) | |
| 38593 | Kamang (Langkuru Dialect) | bun | | | Stokhof (1975) | |
| 37070 | Kamang (Kolomane Dialect) | bun'i | | | Stokhof (1975) | |
| 260573 | Kamang | bin | | | Stokhof (1975) | |
| 260572 | Kamang | sŭk'ɔ | | | Stokhof (1975) | |
| 3320 | Kaluli | fe | | | Franklin and Voorhoeve (1973) | |
| 16762 | Kaluli | fẽ | | | Shaw (1986) | |
| 158780 | Kaluli (Bosavi Dialect) | tekeape | | | McElhanon and Voorhoeve (1970) | louse |
| 195722 | Kalam | yman | | | Pawley (2013) | |
| 20003 | Kalabra | on | | | Voorhoeve (1975) | |
| 261094 | Kaki Ae | anodi | | | Strong (1911) | |
| 6237 | Kaki Ae | saruta | | | Brown (1973) | |
| 218831 | Kaiy | fri | | | Clouse (1997) | |
| 23138 | Kaiy | firi | | | Voorhoeve (1975) | |
| 25632 | Kais | kono | | | Voorhoeve (1975) | |
| 34946 | Kafoa | 'ikɔŋ | | | Stokhof (1975) | |
| 37655 | Kabola (Pitumbang Dialect) | k'uwiŋ | | | Stokhof (1975) | |
| 36601 | Kabola (Hamap Dialect) | 'ɔyɩn | | | Stokhof (1975) | |
| 35781 | Kabola (Aimoli Dialect) | 'uĭŋ | | | Stokhof (1975) | |
| 178376 | Jilim | miɲi | | | Z'graggen (1980) | louse |
| 158798 | Iyo | imi | | | McElhanon and Voorhoeve (1970) | louse |
| 237778 | Iwam | nɨn | | | Foley (2005) | |
| 244349 | Iwam | ŋən | | | Laycock (1968) | |
| 22854 | Itik | nane | | | Voorhoeve (1975) | |
| 197026 | Iteri (Rocky Peak Dialect) | ʔɔ | | | Conrad and Dye (1975) | |
| 198423 | Iteri | æ | | | Conrad and Dye (1975) | |
| 122177 | Isebe | mi | | | Z'graggen (1980) | louse |
| 191997 | Isabi | nʌma | | | Z'graggen (1980) | louse |
| 24111 | Irarutu | ut | | | Voorhoeve (1975) | |
| 80874 | Ipili | lemo | | | Franklin (1975) | |
| 18860 | Ipiko | řaika(?) | | | Franklin (1973) | |
| 18861 | Ipiko | (wáni(?)) | | | Franklin (1973) | |
| 73653 | Inoke-Yate | namá | | | Scott (1978) | |
| 219055 | Indonesian | kutu | | | Kriens & Lebold (2010) | |
