| 37620 | Kabola (Pitumbang Dialect) | ʰ'αlɔ | | | Stokhof (1975) | |
| 34911 | Kafoa | 'αku | | | Stokhof (1975) | |
| 25647 | Kais | uge | | | Voorhoeve (1975) | |
| 23153 | Kaiy | betia | | | Voorhoeve (1975) | |
| 214652 | Kaiy | bɛtia | | | Clouse (1997) | |
| 6242 | Kaki Ae | uʔungka | | | Brown (1973) | |
| 261163 | Kaki Ae | ungka | | | Strong (1911) | |
| 20018 | Kalabra | lap | | | Voorhoeve (1975) | |
| 195859 | Kalam | mŋay | | | Pawley (2013) | |
| 195858 | Kalam | omŋal | | | Pawley (2013) | |
| 3325 | Kaluli | a̧dep | | | Franklin and Voorhoeve (1973) | |
| 16767 | Kaluli | ãdip | | | Shaw (1986) | |
| 35980 | Kamang | ɔk- | | | Stokhof (1975) | |
| 37035 | Kamang (Kolomane Dialect) | ʔαyk | | | Stokhof (1975) | |
| 38558 | Kamang (Langkuru Dialect) | αr'uk | | | Stokhof (1975) | |
| 38324 | Kamang (Letley Dialect) | ʔ'ɔku | | | Stokhof (1975) | |
| 260616 | Kamang (Pido 1 Dialect) | uk | | | Stokhof (1975) | |
| 260617 | Kamang (Pido 1 Dialect) | ɔk | | | Stokhof (1975) | |
| 37972 | Kamang (Pido 2 Dialect) | ʰɔk | | | Stokhof (1975) | |
| 74689 | Kamano | táré | | | Scott (1978) | |
| 1768 | Kamasa | hukwego | | | Lloyd (1973) | |
| 32314 | Kambaira | ankandi | | | SIL () | |
| 21417 | Kamberau | aboma | | | Voorhoeve (1975) | |
| 21377 | Kamoro | yamane | | | Voorhoeve (1975) | |
| 16567 | Kamula | depiʌmɛtɛ | | | Shaw (1986) | |
| 27400 | Kamula | dapiamɛtɛ | | | Reesink (1976) | |
| 237013 | Kanggape | mokupea | | | Foley (2005) | |
| 21063 | Kanum | yempoka | | | Voorhoeve (1975) | |
| 19573 | Kapauri | nafrine | | | Voorhoeve (1975) | |
| 224853 | Kapriman | kothi | | | Dye et al (1968) | |
| 21778 | Karas | ir | | | Voorhoeve (1975) | |
| 244636 | Karawa | yikəramo | | | Laycock (1968) | |
| 125017 | Kare | iridigi | | | Z'graggen (1980) | two |
| 34484 | Karon Dori | ayok | | | Miedema & Welling (1985) | |
| 23622 | Karon Dori | ai | | | Voorhoeve (1975) | |
| 16467 | Kasua | ɛľipi | | | Shaw (1986) | |
| 90568 | Kâte | yayahec | two | | McElhanon (1967) | two |
| 29447 | Kaure | trapi | | | Voorhoeve (1971) | |
| 214657 | Kaure | tɾapli | | | Clouse (1997) | |
| 19451 | Kaure | təravərei | | | Voorhoeve (1975) | |
| 22586 | Kauwera | ninic | | | Voorhoeve (1975) | |
| 17524 | Kawacha | huvaa'u | | | Lloyd (1973) | |
| 20622 | Kayagar | tosigi | | | Voorhoeve (1975) | |
| 29261 | Kayagar | tosigi | | | Voorhoeve (1971) | |
| 236691 | Kayan | mbuniŋ | | | Foley (2005) | |
| 125020 | Kein | ʌ:riʌʔ | | | Z'graggen (1980) | two |
| 21858 | Kemberano | ugi | | | Voorhoeve (1975) | |
| 25927 | Kemtuik | namon | | | Voorhoeve (1975) | |
| 4373 | Keoru-Ahia (Aheave Dialect) | lahoaha | | | Brown (1973) | |
| 4163 | Keoru-Ahia | lahoaha | | | Brown (1973) | |
