| 21377 | Kamoro | yamane | | | Voorhoeve (1975) | |
| 21417 | Kamberau | aboma | | | Voorhoeve (1975) | |
| 32314 | Kambaira | ankandi | | | SIL () | |
| 1768 | Kamasa | hukwego | | | Lloyd (1973) | |
| 74689 | Kamano | táré | | | Scott (1978) | |
| 37972 | Kamang (Pido 2 Dialect) | ʰɔk | | | Stokhof (1975) | |
| 260616 | Kamang (Pido 1 Dialect) | uk | | | Stokhof (1975) | |
| 260617 | Kamang (Pido 1 Dialect) | ɔk | | | Stokhof (1975) | |
| 38324 | Kamang (Letley Dialect) | ʔ'ɔku | | | Stokhof (1975) | |
| 38558 | Kamang (Langkuru Dialect) | αr'uk | | | Stokhof (1975) | |
| 37035 | Kamang (Kolomane Dialect) | ʔαyk | | | Stokhof (1975) | |
| 35980 | Kamang | ɔk- | | | Stokhof (1975) | |
| 16767 | Kaluli | ãdip | | | Shaw (1986) | |
| 3325 | Kaluli | a̧dep | | | Franklin and Voorhoeve (1973) | |
| 195858 | Kalam | omŋal | | | Pawley (2013) | |
| 195859 | Kalam | mŋay | | | Pawley (2013) | |
| 20018 | Kalabra | lap | | | Voorhoeve (1975) | |
| 261163 | Kaki Ae | ungka | | | Strong (1911) | |
| 6242 | Kaki Ae | uʔungka | | | Brown (1973) | |
| 214652 | Kaiy | bɛtia | | | Clouse (1997) | |
| 23153 | Kaiy | betia | | | Voorhoeve (1975) | |
| 25647 | Kais | uge | | | Voorhoeve (1975) | |
| 34911 | Kafoa | 'αku | | | Stokhof (1975) | |
| 37620 | Kabola (Pitumbang Dialect) | ʰ'αlɔ | | | Stokhof (1975) | |
| 36566 | Kabola (Hamap Dialect) | ʰαl'ɔ | | | Stokhof (1975) | |
| 35746 | Kabola (Aimoli Dialect) | αl'ɔ | | | Stokhof (1975) | |
| 180960 | Jilim | lil | | | Z'graggen (1980) | two |
| 244641 | Iwam | ŋwis | | | Laycock (1968) | |
| 22869 | Itik | nouwe | | | Voorhoeve (1975) | |
| 197292 | Iteri (Rocky Peak Dialect) | tiso | | | Conrad and Dye (1975) | |
| 198456 | Iteri | lisæʔ | | | Conrad and Dye (1975) | |
| 22708 | Isirawa | nahoge | | | Voorhoeve (1975) | |
| 125023 | Isebe | eris | | | Z'graggen (1980) | two |
| 193454 | Isabi | teri | | | Z'graggen (1980) | two |
| 24126 | Irarutu | rue | | | Voorhoeve (1975) | |
| 24135 | Irarutu | rifo | | | Voorhoeve (1975) | |
| 80657 | Ipili | lapo | | | Franklin (1975) | |
| 17215 | Ipiko | mɛ̧ya̧hi | | | Franklin (1973) | |
| 74695 | Inoke-Yate | tóle | | | Scott (1978) | |
| 219166 | Indonesian | dua | | | Kriens & Lebold (2010) | |
| 3633 | Ikobi-Mena | hae | | | Franklin (1973) | |
| 21697 | Iha | (he)rik | | | Voorhoeve (1975) | |
| 214648 | Iau | bo | | | Clouse (1997) | |
| 202171 | Iatmul (Tambanam Dialect) | b̶ɨlɨkN̹ | | | Staalsen (1969) | |
| 202440 | Iatmul (Korogo Dialect) | ƀɨlɨlɨkN̹ | | | Staalsen (1969) | |
| 202303 | Iatmul (Kanganaman Dialect) | b̶ɨlɨkN̹ | | | Staalsen (1969) | |
| 202577 | Iatmul (Brugnowi Dialect) | bɨlɨlɨkN̹ | | | Staalsen (1969) | |
| 55459 | Hunjara-Kaina Ke | eθoθo | two | | Smallhorn (2011) | |
| 55461 | Hunjara-Kaina Ke | e'hroro | two | | Smallhorn (2011) | |
| 55460 | Hunjara-Kaina Ke | ehroro | two | | Smallhorn (2011) | |
