| 219110 | Indonesian | pasir | | | Kriens & Lebold (2010) | |
| 74088 | Inoke-Yate | kaipa | | | Scott (1978) | |
| 17162 | Ipiko | b̄ió | | | Franklin (1973) | |
| 80742 | Ipili | ipa mau | | | Franklin (1975) | |
| 192946 | Isabi | isoʷ | | | Z'graggen (1980) | sand |
| 124000 | Isebe | esig | | | Z'graggen (1980) | sand |
| 197276 | Iteri (Rocky Peak Dialect) | kʷi | | | Conrad and Dye (1975) | |
| 155188 | Iyo | sotama | | | McElhanon and Voorhoeve (1970) | sand |
| 180053 | Jilim | moror | | | Z'graggen (1980) | sand |
| 35789 | Kabola (Aimoli Dialect) | fɛy | | | Stokhof (1975) | |
| 36609 | Kabola (Hamap Dialect) | fɛt- | | | Stokhof (1975) | |
| 37663 | Kabola (Pitumbang Dialect) | w'ɔcɔ | | | Stokhof (1975) | |
| 34954 | Kafoa | mαl'αtαy | | | Stokhof (1975) | |
| 213839 | Kaiy | oɾɛki^ | | | Clouse (1997) | |
| 261121 | Kaki Ae | fai | | | Strong (1911) | |
| 6254 | Kaki Ae | fae foʔolo | | | Brown (1973) | |
| 6189 | Kaki Ae | kekene | | | Brown (1973) | |
| 195784 | Kalam | kab klup | | | Pawley (2013) | |
| 155171 | Kaluli (Bosavi Dialect) | sai | | | McElhanon and Voorhoeve (1970) | sand |
| 3272 | Kaluli | hen | | | Franklin and Voorhoeve (1973) | |
| 36023 | Kamang | sir'α | | | Stokhof (1975) | |
| 37078 | Kamang (Kolomane Dialect) | sid'a | | | Stokhof (1975) | |
| 38601 | Kamang (Langkuru Dialect) | sĭd'α | | | Stokhof (1975) | |
| 38367 | Kamang (Letley Dialect) | sin'ey | | | Stokhof (1975) | |
| 38249 | Kamang (Pido 1 Dialect) | sir'aiŋ | | | Stokhof (1975) | |
| 38015 | Kamang (Pido 2 Dialect) | s'iraʔ | | | Stokhof (1975) | |
| 74081 | Kamano | äantáma | | | Scott (1978) | |
| 74080 | Kamano | käsépa | | | Scott (1978) | |
| 1715 | Kamasa | (tega)waa'ya | | | Lloyd (1973) | |
| 155150 | Kamoro | tiri | | | McElhanon and Voorhoeve (1970) | sand |
| 27344 | Kamula | asiřa | | | Reesink (1976) | |
| 224998 | Kapriman | nʌngu | | | Dye et al (1968) | |
| 123994 | Kare | e:sigi | | | Z'graggen (1980) | sand |
| 2015 | Kasua | iti paiya | | | Franklin and Voorhoeve (1973) | |
| 91282 | Kâte | moŋgeŋ | sand | | McElhanon (1967) | sand |
| 155241 | Kâte (Mâgobineng Dialect) | meŋgaŋ | | | McElhanon and Voorhoeve (1970) | sand |
| 155242 | Kâte (Wâmora Dialect) | moŋgeŋ | | | McElhanon and Voorhoeve (1970) | sand |
| 155243 | Kâte (Wemo Dialect) | moŋgeŋ | | | McElhanon and Voorhoeve (1970) | sand |
| 29429 | Kaure | kuti | | | Voorhoeve (1971) | |
| 213844 | Kaure | biɾsɛ | | | Clouse (1997) | |
| 17471 | Kawacha | wora | | | Lloyd (1973) | |
| 123997 | Kein | u:s | | | Z'graggen (1980) | sand |
| 4385 | Keoru-Ahia (Aheave Dialect) | miri holo | | | Brown (1973) | |
| 4320 | Keoru-Ahia (Aheave Dialect) | mea kekele | | | Brown (1973) | |
| 4175 | Keoru-Ahia | miri ho'oro | | | Brown (1973) | |
| 4110 | Keoru-Ahia | mea kekelea | | | Brown (1973) | |
| 6839 | Kerewo | nori | | | Wurm (1973) | |
| 180033 | Kesawai | wiskilː | | | Z'graggen (1980) | sand |
| 33579 | Ketengban | me wininga | | | Heeschen (1978) | |
| 6426 | Kibiri | peiri | | | Wurm (1973) | |
