| 37655 | Kabola (Pitumbang Dialect) | k'uwiŋ | | | Stokhof (1975) | |
| 34946 | Kafoa | 'ikɔŋ | | | Stokhof (1975) | |
| 25632 | Kais | kono | | | Voorhoeve (1975) | |
| 218831 | Kaiy | fri | | | Clouse (1997) | |
| 23138 | Kaiy | firi | | | Voorhoeve (1975) | |
| 6237 | Kaki Ae | saruta | | | Brown (1973) | |
| 261094 | Kaki Ae | anodi | | | Strong (1911) | |
| 20003 | Kalabra | on | | | Voorhoeve (1975) | |
| 195722 | Kalam | yman | | | Pawley (2013) | |
| 158780 | Kaluli (Bosavi Dialect) | tekeape | | | McElhanon and Voorhoeve (1970) | louse |
| 3320 | Kaluli | fe | | | Franklin and Voorhoeve (1973) | |
| 16762 | Kaluli | fẽ | | | Shaw (1986) | |
| 260573 | Kamang | bin | | | Stokhof (1975) | |
| 260572 | Kamang | sŭk'ɔ | | | Stokhof (1975) | |
| 37070 | Kamang (Kolomane Dialect) | bun'i | | | Stokhof (1975) | |
| 38593 | Kamang (Langkuru Dialect) | bun | | | Stokhof (1975) | |
| 38359 | Kamang (Letley Dialect) | b'uni | | | Stokhof (1975) | |
| 38241 | Kamang (Pido 1 Dialect) | bun | | | Stokhof (1975) | |
| 38007 | Kamang (Pido 2 Dialect) | bun | | | Stokhof (1975) | |
| 73648 | Kamano | hínäma | | | Scott (1978) | |
| 1763 | Kamasa | iya | | | Lloyd (1973) | |
| 32312 | Kambaira | numi | | | SIL () | |
| 21402 | Kamberau | oa | | | Voorhoeve (1975) | |
| 21362 | Kamoro | mamo | | | Voorhoeve (1975) | |
| 158761 | Kamoro | namo | | | McElhanon and Voorhoeve (1970) | louse |
| 16562 | Kamula | iyʌ | | | Shaw (1986) | |
| 27395 | Kamula | iya | | | Reesink (1976) | |
| 21048 | Kanum | ne:mpin | | | Voorhoeve (1975) | |
| 19558 | Kapauri | usa | | | Voorhoeve (1975) | |
| 224845 | Kapriman | nʌmɩs | | | Dye et al (1968) | |
| 21763 | Karas | mun | | | Voorhoeve (1975) | |
| 244343 | Karawa | nipia | | | Laycock (1968) | |
| 122171 | Kare | mi | | | Z'graggen (1980) | louse |
| 23607 | Karon Dori | xate | | | Voorhoeve (1975) | |
| 34469 | Karon Dori | xatè | | | Miedema & Welling (1985) | |
| 16462 | Kasua | pfɛi | | | Shaw (1986) | |
| 2063 | Kasua | arupai | | | Franklin and Voorhoeve (1973) | |
| 91422 | Kâte | imeŋ | louse | | McElhanon (1967) | louse |
| 158851 | Kâte (Mâgobineng Dialect) | imaŋ | | | McElhanon and Voorhoeve (1970) | louse |
| 158852 | Kâte (Wâmora Dialect) | imaŋ | | | McElhanon and Voorhoeve (1970) | louse |
| 158853 | Kâte (Wemo Dialect) | imeŋ | | | McElhanon and Voorhoeve (1970) | louse |
| 29412 | Kaure | mi | | | Voorhoeve (1971) | |
| 218836 | Kaure | mi | | | Clouse (1997) | |
| 19436 | Kaure | mĩ | | | Voorhoeve (1975) | |
| 22571 | Kauwera | pise | | | Voorhoeve (1975) | |
| 17519 | Kawacha | iya | | | Lloyd (1973) | |
| 29229 | Kayagar | so:m | | | Voorhoeve (1971) | |
| 20607 | Kayagar | so:m | | | Voorhoeve (1975) | |
| 122174 | Kein | me | | | Z'graggen (1980) | louse |
| 21843 | Kemberano | kono | | | Voorhoeve (1975) | |
