| name | Ethnologue status | language family | office | IETF | alphabet | ISO 6391 | ISO 6392 | ISO 6393 | speakers (people) | Manuscript | micronation | publisher | former country | is a dialect |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daantanaiʼ language | 6a Vigorous | South Bougainville languages | lni | 600 | Yes | |||||||||
| Koromira language | 6a Vigorous | South Bougainville languages | kqj | 2,500 | Yes | |||||||||
| Naasioi language | 5 Developing | South Bougainville languages | nas | 300 | Yes | |||||||||
| Nagovisi language | 5 Developing | South Bougainville languages | nco | 6,000 | Yes | |||||||||
| Ounge language | 6a Vigorous | South Bougainville languages | oue | 1,000 | Yes |