Kerema
- Akoye - Akoinkake, Lohiki, Obi, Mai-Hea-Ri, Maihiri, Angoya, Akoyi [miw]
- Ankave - Angave, Ankai, Bu'u, Miyatnu, Sawuve, Wiyagwa, Wunavai [aak]
- Barai - Birarie, Muguani [bbb]
- Hamtai - Hamtai, Howi, Kaintiba, Pmasa'a, Wenta, Hamday, Kamea, Kapau, Watut [hmt]
- Kaki Ae - Tate, Raepa Tati, Tati, Lorabada, Lou [tbd]
- Mekeo - Mekeo-Kovio, East Mekeo, Ninikani, North Mekeo, Northwest Mekeo, West Mekeo, Kovio [mek]
- Menya - Menyama, Menye [mcr]
- Motu, Hiri - Austronesian Hiri Motu, Papuan Hiri Motu, Hiri, Hiri Motu, Pidgin Motu, Police Motu [hmo]
- Opao [opo]
- Simbari - Chimbari [smb]
- Tainae - Ivori [ago]
- Tairuma - Uaripi [uar]
- Toaripi - Motumotu, East Elema [tqo]
- Yagwoia - Gwase, Hiqwase, Hiqwaye, Iwalaqamalhe, Kokwaiyakwa, Yeghuye, Yeqwangilje [ygw]
Kikori
- Akoye - Akoinkake, Lohiki, Obi, Mai-Hea-Ri, Maihiri, Angoya, Akoyi [miw]
- Barikewa - Iba [jbk]
- Fasu - Namome, Kaibu, Some, Kaipu, Namumi, Namuni [faa]
- Foia Foia - Foiafoia, Foyafoya [ffi]
- Folopa - Foraba, Podoba, Podopa, Polopa, Aurei, Bara, Boro, Keba-Wopasali, Kewah, Pupitau, Ro, Sesa, Siligi, Sopese, Suri, Tebera, Waraga, Harahu, Harahui, Ibukairu, Keai, Mamisa, Songu, Worugl [ppo]
- Gibaio - Anigibi, Fomomoto, Kope, Urama, Arigibi, Era, Era River, Gope, Kiwai, Northeast, Urama-Kope [kiwg]
- Ikobi-Mena - Kopo-Monia, Kasere, Wailemi, Meni, Ikobi Kairi [meb]
- Ipiko - Ipikoi, Higa, Epai [ipo]
- Keoru-Ahia - Ahia, Ahiave, Haura, Haura Haela, Horo, Houro, Hovoiroro, Hovoyo, Ke’oru, Keuro, Keuru, Kouri, Lavau, Lower Ahia, O’o Moko, Pairi, Velepa [xeu]
- Kerewo - Kerewa, Kerewa-Goari [kxz]
- Kibiri - Porome, Polome [prm]
- Kiwai-Arigibi [kiwa]
- Kiwai-Northeast [kiwn]
- Kiwai-Urama [kiwu]
- Kope - Kiwai, Northeast, Urama-Kope, Gope, Anigibi, Arigibi, Fomomoto, Urama [kiwk]
- Minanibai - Pepeha, Eme-Eme, Hei [mcv]
- Morigi - Morigi Island, Wariadai, Turama River Kiwai, Dabura [mdb]
- Motu, Hiri - Austronesian Hiri Motu, Papuan Hiri Motu, Hiri, Hiri Motu, Pidgin Motu, Police Motu [hmo]
- Mouwase [jmw]
- Omati - Mini [mgx]
- Orokolo - West Elema, Kairu-Kaura, Haira, Kaipi, Vailala, Bailala, Muru, Muro [oro]
- Pawaia - Pavaia, Sira, Aurama, Tudahwe, Yasa [pwa]
- Purari - Koriki, Evorra, Namau, Iai, Maipua [iar]
- Rumu - Kairi, Rumuwa, Dumu, Tumu, Kibiri, Kai-Iri [klq]
- Simbari - Chimbari [smb]
- Tainae - Ivori [ago]