| 52322 | Hunjara-Kaina Ke | pe | mouth | | Smallhorn (2011) | |
| 52323 | Hunjara-Kaina Ke (Kokoda Dialect) | e | mouth | | Smallhorn (2011) | |
| 202474 | Iatmul (Brugnowi Dialect) | ŋkaʔaŋkə | | | Staalsen (1969) | |
| 202208 | Iatmul (Kanganaman Dialect) | ŋka:nkə | | | Staalsen (1969) | |
| 202337 | Iatmul (Korogo Dialect) | ŋkaʔaŋkə | | | Staalsen (1969) | |
| 202069 | Iatmul (Tambanam Dialect) | ŋka:ŋkə | | | Staalsen (1969) | |
| 212747 | Iau | be | | | Clouse (1997) | |
| 3559 | Ikobi-Mena | kʰo | | | Franklin (1973) | |
| 219008 | Indonesian | mulut | | | Kriens & Lebold (2010) | |
| 73479 | Inoke-Yate | (a)gi(ne) | | | Scott (1978) | |
| 73478 | Inoke-Yate | (a)vaya | | | Scott (1978) | |
| 17141 | Ipiko | imutúpu | | | Franklin (1973) | |
| 190559 | Isabi | -ohu | | | Z'graggen (1980) | mouth |
| 120345 | Isebe | o- | | | Z'graggen (1980) | mouth |
| 198428 | Iteri | omi | | | Conrad and Dye (1975) | |
| 197261 | Iteri (Rocky Peak Dialect) | ʔomi | | | Conrad and Dye (1975) | |
| 155493 | Iyo | maŋgo | | | McElhanon and Voorhoeve (1970) | mouth |
| 176705 | Jilim | subom | | | Z'graggen (1980) | mouth |
| 35695 | Kabola (Aimoli Dialect) | nat- | | | Stokhof (1975) | |
| 36515 | Kabola (Hamap Dialect) | nad- | | | Stokhof (1975) | |
| 37569 | Kabola (Pitumbang Dialect) | nαt- | | | Stokhof (1975) | |
| 34860 | Kafoa | ninαw'α | | | Stokhof (1975) | |
| 212751 | Kaiy | a-wɛ | | | Clouse (1997) | |
| 6168 | Kaki Ae | anara | | | Brown (1973) | |
| 261102 | Kaki Ae | anana | | | Strong (1911) | |
| 195735 | Kalam | megmgan | | | Pawley (2013) | |
| 195734 | Kalam | meg | | | Pawley (2013) | |
| 3251 | Kaluli | maa koof | | | Franklin and Voorhoeve (1973) | |
| 16693 | Kaluli | mikɔf | | | Shaw (1986) | |
| 35929 | Kamang | naw'αα | | | Stokhof (1975) | |
| 36984 | Kamang (Kolomane Dialect) | năwag'αtă | | | Stokhof (1975) | |
| 38507 | Kamang (Langkuru Dialect) | nαwαg'αtα | | | Stokhof (1975) | |
| 38273 | Kamang (Letley Dialect) | nαb'i | | | Stokhof (1975) | |
| 38155 | Kamang (Pido 1 Dialect) | nαw'α | | | Stokhof (1975) | |
| 37921 | Kamang (Pido 2 Dialect) | nawag'αtɛ | | | Stokhof (1975) | |
| 73472 | Kamano | (ä)gí' | | | Scott (1978) | |
| 1694 | Kamasa | maanga | | | Lloyd (1973) | |
| 32229 | Kambaira | yomi | | | SIL () | |
| 155451 | Kamoro | mwe | | | McElhanon and Voorhoeve (1970) | mouth |
| 27322 | Kamula | mati | | | Reesink (1976) | |
| 16493 | Kamula | mʌ:ti | | | Shaw (1986) | |
| 224673 | Kapriman | ayos | | | Dye et al (1968) | |
| 120339 | Kare | kase- | | | Z'graggen (1980) | mouth |
| 1994 | Kasua | meapo | | | Franklin and Voorhoeve (1973) | |
| 16393 | Kasua | menbɔ | | | Shaw (1986) | |
| 29418 | Kaure | moklu | | | Voorhoeve (1971) | |
| 212756 | Kaure | bloküit | | | Clouse (1997) | |
| 17450 | Kawacha | maanga | | | Lloyd (1973) | |
| 29234 | Kayagar | mwop | | | Voorhoeve (1971) | |
| 120342 | Kein | o- | | | Z'graggen (1980) | mouth |
