| 148449 | Komba (Gwama River (North) Dialect) | nii | | | Southwell (1976) | bird |
| 148452 | Komba (Gwama River (South) Dialect) | nii | | | Southwell (1976) | bird |
| 148451 | Komba (Puleng River Dialect) | nii | | | Southwell (1976) | bird |
| 201563 | Kombai | el | | | Voorhoeve (2000) | |
| 210774 | Komyandaret | d̪i: | | | Hughes (2009) | |
| 16625 | Konai | siɔ | | | Shaw (1986) | |
| 22225 | Konda | boro | | | Voorhoeve (1975) | |
| 21264 | Koneraw | baŋa | | | Voorhoeve (1975) | |
| 245345 | Kopar (Singarin Dialect) | 'pɛsɛn | | | SIL (1977) | |
| 28248 | Korafe | lioka | | | Wilson (1969) | |
| 48041 | Korafe (Mokorua Dialect) | li[ka] | bird | | Smallhorn (2011) | |
| 48042 | Korafe (Rabade Dialect) | ri[ka] | bird | | Smallhorn (2011) | |
| 140941 | Korak | ais | | | Z'graggen (1980) | (bird) |
| 19905 | Korapun-Sela | winaŋ | | | Voorhoeve (1975) | |
| 210568 | Korowai | se:ɾ̥ | | | Hughes (2009) | |
| 33855 | Kosare | o | | | Heeschen (1978) | |
| 157418 | Kovai | naŋ | | | McElhanon and Voorhoeve (1970) | bird |
| 140951 | Kowaki | muʔʌ | | | Z'graggen (1980) | (bird) |
| 91451 | Kube | nei | bird | | McElhanon (1967) | bird |
| 157427 | Kube | nei | | | McElhanon and Voorhoeve (1970) | bird |
| 5720 | Kubo | siyu | | | Shaw (1973) | |
| 7192 | Kubo | siu | | | Shaw (1986) | |
| 36199 | Kui | ad'ɔl | | | Stokhof (1975) | |
| 37721 | Kui (Kiramang Dialect) | αd'ɔl | | | Stokhof (1975) | |
| 36433 | Kula | adam'asα | | | Stokhof (1975) | |
| 82929 | Kulsab | kapa | | | Daniels (2010) | |
| 32586 | Kuman | kua | | | Salisbury (1956) | |
| 660 | Kuman | kua | | | Trefry (1969) | |
| 21945 | Kuni-Boazi | pipisi | | | Voorhoeve (1975) | |
| 30572 | Kuni-Boazi | pipisi | | | Voorhoeve (1970) | |
| 30571 | Kuni-Boazi | pipisiɛm | | | Voorhoeve (1970) | |
| 166098 | Kuot | amani | northern Kuot (AN loan) | x | Lindström (2008) | |
| 166099 | Kuot | kobeŋ | southern Kuot (AN loan? Lakuramau koben=wing) | x | Lindström (2008) | |
| 24926 | Kurudu | diu(pi) | | | Voorhoeve (1975) | |
| 22511 | Kwerba | kaceten | | | Voorhoeve (1975) | |
| 22595 | Kwerba (Airmati Dialect) | kaijetin | | | Voorhoeve (1975) | |
| 23080 | Kwerisa | du | | | Voorhoeve (1975) | |
| 33471 | Kwesten | sun | | | Voorhoeve (1975) | |
| 33470 | Kwesten | dun | | | Voorhoeve (1975) | |
| 244273 | Kwoma | apu | | | Laycock (1968) | |
| 163256 | Kyaka | yaka | | | Davies and Comrie (1985) | bird |
| 163255 | Kyenele (Kyaimbarang Dialect) | hɔpᴶɛ | | | Davies and Comrie (1985) | bird |
| 163262 | Kyenele (Miyak Dialect) | wanma | | | Davies and Comrie (1985) | bird |
| 22959 | Lau | dusi | | | Voorhoeve (1975) | |
| 76116 | Lavukaleve | malaɣul | bird | | Tryon & Hackman (1983) | |
| 163260 | Lembena | eka | | | Davies and Comrie (1985) | bird |
| 163261 | Lembena (Maibi Dialect) | 'eka | | | Davies and Comrie (1985) | bird |
| 163272 | Lembena (Yariba Dialect) | 'ɛka | | | Davies and Comrie (1985) | bird |
| 177951 | Lemio | yen | | | Z'graggen (1980) | bird |
| 157412 | Madi | nuŋ | | | McElhanon and Voorhoeve (1970) | bird |
