| 16384 | Kasua | sɔpɔľɔ | | | Shaw (1986) | |
| 90736 | Kâte | sasawa | all | | McElhanon (1967) | all |
| 215356 | Kaure | kɔsü | | | Clouse (1997) | |
| 17441 | Kawacha | nyɨwa'nya | | | Lloyd (1973) | |
| 29192 | Kayagar | miap | | | Voorhoeve (1971) | |
| 4290 | Keoru-Ahia (Aheave Dialect) | oaria | | | Brown (1973) | |
| 4080 | Keoru-Ahia | oaria | | | Brown (1973) | |
| 6809 | Kerewo | awoha | | | Wurm (1973) | |
| 175436 | Kesawai | nubunubu | | | Z'graggen (1980) | all |
| 33556 | Ketengban | ayuma | | | Heeschen (1978) | |
| 6396 | Kibiri | auopa | | | Wurm (1973) | |
| 215345 | Kirikiri | ɔɾia | | | Clouse (1997) | |
| 77541 | Klon | al | | | Baird (2008) | |
| 77544 | Klon | iqal | | | Baird (2008) | |
| 138471 | Kobol | tɛŋ | | | Z'graggen (1980) | all |
| 195971 | Kobon | agöl | - | | Pawley (2013) | |
| 195972 | Kobon | aŋbö | - | | Pawley (2013) | |
| 230691 | Kol | ku'aŋ | | | SIL (1981) | |
| 90731 | Komba | aksik | all | | McElhanon (1967) | all |
| 148742 | Komba (Ândâ River Dialect) | aksik | | | Southwell (1976) | all |
| 148741 | Komba (Gwama River (North) Dialect) | aksik | | | Southwell (1976) | all |
| 148744 | Komba (Gwama River (South) Dialect) | aksik | | | Southwell (1976) | all |
| 148743 | Komba (Puleng River Dialect) | aksik | | | Southwell (1976) | all |
| 210866 | Komyandaret | ˈts͡ɤɢɯɾiˌtɑ | | | Hughes (2009) | |
| 16584 | Konai | ɔlɔfe | | | Shaw (1986) | |
| 138464 | Korak | batʌr | | | Z'graggen (1980) | all |
| 210662 | Korowai | ʔi'mi:l̪ | | | Hughes (2009) | |
| 33850 | Kosare | namo'tali | | | Heeschen (1978) | |
| 138469 | Kowaki | ʌᵬiʌᵬi | | | Z'graggen (1980) | all |
| 90737 | Kube | mokdzoŋ | all | | McElhanon (1967) | all |
| 5679 | Kubo | go̧go̧ | | | Shaw (1973) | |
| 7151 | Kubo | gōgō | | | Shaw (1986) | |
| 655 | Kuman | munda | | | Trefry (1969) | |
| 165866 | Kuot | ganam | 'all, whole' | | Lindström (2008) | |
| 175442 | Lemio | aincɛ | | | Z'graggen (1980) | all |
| 138467 | Maia (Pila Dialect) | munʌt | | | Z'graggen (1980) | all |
| 86043 | Mailu (Asiaoro Dialect) | wuwuru | | | Thomson (1975) | |
| 87413 | Mailu (Baibara Dialect) | wuwuru | | | Thomson (1975) | |
| 86865 | Mailu (Borebo Dialect) | wuwuru | | | Thomson (1975) | |
| 88235 | Mailu (Darava Dialect) | wuwuru | | | Thomson (1975) | |
| 87961 | Mailu (Delebai Dialect) | wuwuru | | | Thomson (1975) | |
| 87139 | Mailu (Domara Dialect) | wuwuru | | | Thomson (1975) | |
| 87687 | Mailu (Geagea Dialect) | wuwuru | | | Thomson (1975) | |
| 86317 | Mailu (Ilai Dialect) | wuwuru | | | Thomson (1975) | |
| 86591 | Mailu (Island Dialect) | wuwuru | | | Thomson (1975) | |
| 221313 | Maiwa | undakʰ | | | SIL (1973) | |
| 138466 | Mala | ogom | | | Z'graggen (1980) | all |
| 138462 | Malas | iriŋgasin | | | Z'graggen (1980) | all |
| 175460 | Male | jagʌra | | | Z'graggen (1980) | all |
| 175461 | Male | Gorɛbo | | | Z'graggen (1980) | all |
