Central Bougainville
- Askopan - Eivo [eiv]
- Koromira [kqj]
- Lantanai - Lantanai, Daantanal' [lni]
- Naasioi - Kongarana', Kieta, Nasioi, Kongara, Orami, Pakia-Sideronsi, Pirung, Guava [nas]
- Oune - Ounge, Dapera [oue]
- Papapana [ppn]
- Rotokas - Aita, Atsilima, Pipipaia [roo]
- Simeku [smz]
- Torau - Rorovana [ttu]
North Bougainville
- Hahon - Hanon [hah]
- Hakö - Haku [hao]
- Halia - Tasi, Hanahan, Hangan, Selau, Touloun, Tulon, Tulun [hla]
- Nehan - Nihan, Nissan, Pinipel, Sirouatan, Uanuleik, Pinipin [nsn]
- Nukumanu - Nukumanu, Tasman [nuq]
- Nukuria - Nuguria, Nahoa, Fead [nur]
- Petats [pex]
- Ramopa - Keriaka, Kereaka [kjx]
- Rapoisi - Konua, Kunua [kyx]
- Saposa - Taiof, Fa Saposa [sps]
- Solos [sol]
- Takuu/Nakumanu - Nakumanu, Tauu, Taku, Tau, Mortlock [nho]
- Teop - Teapu, Tiop [tio]
- Vasui (Tinputz) - Tinputz, Timputs, Vasui, Vasuii, Wasoi, Vado, Vado-Vaene', Vaene', Vapopeo', Vapopeo'-Rausaura, Vavoehpoa' [tpz]
South Bougainville
- Bannoni - Banoni, Tsunari [bcm]
- Lawunuia - Nagarige, Nagarege, Naghareghe, Piva [tgi]
- Sibe - Sibbe, Sibe-Nagovisi, Nagovisi [nco]
- Siwai - Musa, Musan, Musian, Siafli, Siwai [siw]
- Terei - Buin, Telei, Rugara [buo]
- Uisai [uis]
- Uruava [urv]