Languages:
| Isocode | Glottocode | Language | Classification | Count |
|---|---|---|---|---|
| tbd | Kaki Ae | T, E, Tate | 48 | |
| tnk | Kwamera | A, M, C, E, O, C, S, Tanna | 48 | |
| tyn | Kombai | T, O, A, Dumut | 76 | |
| vko | Kodeoha | A, M, C, E, S, B, W, West Coast | 76 | |
| xaw | Kawaiisu | U, N, N, Southern | 48 | |
| xbi | Kombio | T, K, Kombio | 48 | |
| xkz | Kurtöp | S, T, W, B, E, Bumthang | 28 | |
| xla | Kamula | T, Kamula | 48 | |
| xod | Kokoda | T, S, S, Central | 48 | |
| xrb | Karaboro, Eastern | N, A, V, N, G, S, Karaboro | 48 | |
| xwa | Kwaza | Language isolate | 48 | |
| xxk | Keo (Udiworowatu Dialect) | Central-Malayo-Polynesian | 84 | |
| Kuuk Thaayorre | 48 | |||
| Komnzo | Yam Family; Tonda Branch | 76 | ||
| Kuuku Ya'u | 48 |