Languages:
| Isocode | Glottocode | Language | Classification | Count |
|---|---|---|---|---|
| mwp | Kala Lagaw Ya | A, P, Northern | 76 | |
| gvn | Kuku Yalanji | A, P, N, Pama-Maric | 76 | |
| pep | Kunja / Bondobol | S, M, Tonda | 76 | |
| gww | Kwini | A, Worrorran | 76 | |
| ktg | Kalkutungu | A, P, N, Kalkatungic | 76 | |
| gyd | Kayardild | A, Tangkic | 78 | |
| xxk | Keo (Udiworowatu Dialect) | Central-Malayo-Polynesian | 84 | |
| sbc | Kele | A, M, C, E, O, A, E, M, East | 84 | |
| kan | Kannada | D, S, T, Kannada | 84 | |
| kig | Kimaghima | T, Kolopom | 88 | |
| kxa | Kairiru | A, M, C, E, O, W, N, S, K, Kairiru | 96 | |
| kgq | Kamoro | T, A, Kamoro | 109 | |
| kyo | Klon | T, A, Alor | 259 | |
| khe | Korowai | T, O, A, Korowai | 282 | |
| kpw | Kobon | T, M, Kalam-Kobon | 350 |