| 155922 | Kuni-Boazi (Kuini Dialect) | kea | | | McElhanon and Voorhoeve (1970) | ear |
| 155921 | Kuni-Boazi (Boazi Dialect) | gia | | | McElhanon and Voorhoeve (1970) | ear |
| 28105 | Kuni-Boazi | kea | | | Voorhoeve (1970) | |
| 155973 | Kumukio | kizap | | | McElhanon and Voorhoeve (1970) | ear |
| 674 | Kuman | kunano | | | Trefry (1969) | |
| 32554 | Kuman | kina-na | | | Salisbury (1956) | |
| 36391 | Kula | ŋwal'aha | | | Stokhof (1975) | |
| 37679 | Kui (Kiramang Dialect) | nαw'ɛl | | | Stokhof (1975) | |
| 36157 | Kui | nαw'ɛl | | | Stokhof (1975) | |
| 155910 | Kubo | duwëw | | | McElhanon and Voorhoeve (1970) | ear |
| 5684 | Kubo | du | | | Shaw (1973) | |
| 7156 | Kubo | du | | | Shaw (1986) | |
| 155978 | Kube | getsaw | | | McElhanon and Voorhoeve (1970) | ear |
| 91409 | Kube | gedza- | (its) ear | | McElhanon (1967) | (its) ear |
| 139650 | Kowaki | -mament | | | Z'graggen (1980) | ear |
| 155968 | Kovai | ano | | | McElhanon and Voorhoeve (1970) | ear |
| 33773 | Kosare | 'kɔro | | | Heeschen (1978) | |
| 210538 | Korowai | ʔə'tɔ: | | | Hughes (2009) | |
| 139640 | Korak | -diwaŋ | | | Z'graggen (1980) | ear |
| 49545 | Korafe (Rabade Dialect) | deŋgoro | ear | | Smallhorn (2011) | |
| 49544 | Korafe (Mokorua Dialect) | deŋ'goro | ear | | Smallhorn (2011) | |
| 28257 | Korafe | deŋgoro | | | Wilson (1969) | |
| 236146 | Kopar | kundot | | | Foley (2005) | |
| 235476 | Kopar | kundot | | | Foley (2005) | |
| 245356 | Kopar (Singarin Dialect) | 'kʰotakʰɛř | | | SIL (1977) | |
| 240449 | Kopar (Singarin Dialect) | ˈkʰotakʰɛř | | | Abbott (1985) | |
| 16589 | Konai | kʌhẽ | | | Shaw (1986) | |
| 210744 | Komyandaret | ʔɔ'tɔ | | | Hughes (2009) | |
| 201578 | Kombai | ruro | | | Voorhoeve (2000) | |
| 148687 | Komba (Puleng River Dialect) | kindâg | | | Southwell (1976) | ear |
| 148688 | Komba (Gwama River (South) Dialect) | kindâg | | | Southwell (1976) | ear |
| 148685 | Komba (Gwama River (North) Dialect) | kindâg | | | Southwell (1976) | ear |
| 148686 | Komba (Ândâ River Dialect) | kindâg | | | Southwell (1976) | ear |
| 91403 | Komba | kidap- | (its) ear | | McElhanon (1967) | (its) ear |
| 155981 | Komba | kesap | | | McElhanon and Voorhoeve (1970) | ear |
| 230380 | Kol | 'bula | | | SIL (1981) | |
| 229610 | Kol | bula kɛřlɛ | | | SIL (1962) | |
| 196049 | Kobon | rɨmɨd | + | | Pawley (2013) | |
| 163540 | Kobon | 'ɾ̥ɨmɨntʰ | | | Davies and Comrie (1985) | ear |
| 139655 | Kobol | aᵬa: ndum | | | Z'graggen (1980) | ear |
| 34970 | Klon (Probur Dialect) | nɛw'er | | | Stokhof (1975) | |
| 35089 | Klon (Halerman Dialect) | nɛw'ɩr | | | Stokhof (1975) | |
| 212675 | Kirikiri (Faia Dialect) | kɛ | | | Clouse (1997) | |
| 212676 | Kirikiri | ke | | | Clouse (1997) | |
| 237098 | Kire | kwar | | | Foley (2005) | |
| 155972 | Kinalakna | kedzap | | | McElhanon and Voorhoeve (1970) | ear |
| 6401 | Kibiri | eboi | | | Wurm (1973) | |
| 33235 | Keuw | téemé-yô | | | Kamholz (2012) | |
| 33618 | Ketengban | amol | | | Heeschen (1978) | |
| 176627 | Kesawai | ahɛlɛ | | | Z'graggen (1980) | ear |
