Languages:
| Isocode | Glottocode | Language | Classification | Count |
|---|---|---|---|---|
| kto | kuot1243 | Kuot | Language isolate | 293 |
| kjr | kuru1305 | Kurudu | A, M, E, S, C, Y, Eastern Yapen | 41 |
| skm | saka1292 | Kutong (Sakam Dialect) | N, F, F, U, Sakam-Som | 56 |
| kwe | nucl1595 | Kwerba (Airmati Dialect) | G, K, Kwerbaic | 38 |
| kwe | nucl1595 | Kwerba | G, K, Kwerbaic | 41 |
| kkb | kwer1264 | Kwerisa | L, T, E, Doutai-Kai-Waritai | 37 |
| kwt | kwes1245 | Kwesten | T, Tor | 43 |
| kmo | kwom1262 | Kwoma | S, Nukuma | 92 |
| kyc | kyak1244 | Kyaka | N, E, Engan | 116 |
| kql | kyen1243 | Kyenele (Miyak Dialect) | Y, Miyak-Bun-Biwat | 98 |
| kql | kyen1243 | Kyenele (Kyaimbarang Dialect) | Y, Miyak-Bun-Biwat | 117 |