| Language | Population | Bloc | Family | Cluster | Band | |
|---|---|---|---|---|---|---|
| ● Yau | 3,290 | Trans-New Guinea | Huon-Finisterre | Finisterre | Uruwa | |
| ● Kutong | 1,880 | Trans-New Guinea | Huon-Finisterre | Finisterre | Uruwa | |
| ● Nukna | 1,100 | Trans-New Guinea | Huon-Finisterre | Finisterre | Uruwa | |
| ● Weliki | 360 | Trans-New Guinea | Huon-Finisterre | Finisterre | Uruwa | |
| ● Som | 120 | Trans-New Guinea | Huon-Finisterre | Finisterre | Uruwa |