The Mussau-Emira language is spoken on the islands of Mussau and Emirau in the St Matthias Islands in the Bismarck Archipelago.
Motu is a Central Papuan Tip language that is spoken by the Motuans, an indigenous ethnic group of Papua New Guinea. It is commonly used today in the region, particularly around the capital, Port Moresby.
Sulka is a language isolate of New Britain, Papua New Guinea. In 1991, there were 2,500 speakers in eastern Pomio District, East New Britain Province. Villages include Guma in East Pomio Rural LLG. With such a low population of speakers, this language is considered to be endangered. Sulka speakers had originally migrated to East New Britain from New Ireland.
The Yimas language is spoken by the Yimas people, who populate the Sepik River Basin region of Papua New Guinea. It is spoken primarily in Yimas village, Karawari Rural LLG, East Sepik Province. It is a member of the Lower-Sepik language family. All 250-300 speakers of Yimas live in two villages along the lower reaches of the Arafundi River, which stems from a tributary of the Sepik River known as the Karawari River.
Sio is an Austronesian language spoken by about 3,500 people on the north coast of the Huon Peninsula in Morobe Province, Papua New Guinea. According to Harding and Clark (1994), Sio speakers lived in a single village on a small offshore island until the Pacific War, after which they established four villages on the nearby coast: Lambutina, Basakalo, Laelo, and Balambu. Nambariwa, another coastal village a few miles to the east, is also Sio-speaking.
Telefol is a language spoken by the Telefol people in Papua New Guinea, notable for possessing a base-27 numeral system.
Tifal is an Ok language spoken in Papua New Guinea. Dialects are (1) Tifal (Tifalmin) and Urap (Urapmin) and (2) Atbal (Atbalmin).
Alekano, or Gahuku (Gahuku-Gama), is a Papuan language spoken in Gahuku Rural LLG of Eastern Highlands Province, Papua New Guinea. There are about 25,000 speakers.
West Makian is a divergent North Halmahera language of Indonesia. It is spoken on the coast near Makian Island, and on the western half of that island.
Misima-Panaeati, also called Misiman, is an indigenous Austronesian language spoken on the islands of Misima, Panaieti, and the islands of the eastern half of the Calvados Chain of Papua New Guinea.
Iyo is a language spoken in the Madang Province of Papua New Guinea that comes from the Trans-New Guinea language family. Iyo also goes by the names Bure, Naho, Nabu, and Nahu. It has about 6,900 speakers. The Iyo language was previously known as Nahu because the first discovered speakers of the language lived in villages along the Nahu river. The name changed due to other communities speaking the same language but having different names for it. It was decided to call the language 'Iyo', which is the word for 'yes', after the leaders in the communities agreed to it.
Kove is one of the Austronesian languages of New Britain which is spoken by the people of Papua New Guinea. The language is found in 18 villages with their populations totaling 9,000 people; however, most of the people are unfamiliar with the language. Instead of using the Kove language, many of them are using Tok Pisin as their daily language.
Tami is an Austronesian language on the Tami Islands and in a few villages at the tip of the Huon Peninsula in Morobe Province, Papua New Guinea. It is not closely related to the other Huon Gulf languages, but like other North New Guinea languages in Morobe Province, its basic word order is SVO.
Grass Koiari (Koiali) is a Papuan language of Papua New Guinea spoken in the inland Port Moresby area. It is not very close to the other language which shares its name, Mountain Koiali. It is considered a threatened language.
Emae, or Fakamae, is a Polynesian outlier language of Vanuatu.
Awara is one of the Finisterre languages of Papua New Guinea. It is part of a dialect chain with Wantoat, but in only 60–70% lexically similar. There are around 1900 Awara speakers that live on the southern slopes of the Finisterre Range, they live along the east and west sides of Leron River basin.
Siar, also known as Lak, Lamassa, or Likkilikki, is an Austronesian language spoken in New Ireland Province in the southern island point of Papua New Guinea. Lak is in the Patpatar-Tolai sub-group, which then falls under the New Ireland-Tolai group in the Western Oceanic language, a sub-group within the Austronesian family. The Siar people keep themselves sustained and nourished by fishing and gardening. The native people call their language ep warwar anun dat, which means "our language".
Hote (Ho’tei), also known as Malê, is an Oceanic language in Morobe Province, Papua New Guinea.
Iduna is an Austronesian language spoken on Goodenough Island of Milne Bay Province of Papua New Guinea.
Wamesa is an Austronesian language of Indonesian New Guinea, spoken across the neck of the Doberai Peninsula or Bird's Head. There are currently 5,000–8,000 speakers. While it was historically used as a lingua franca, it is currently considered to under-documented, endangered language. This means that fewer and fewer children have an active command of Wamesa. Instead, Papuan Malay has become increasingly dominant in the area.