The Mailuan languages are a small family of Trans–New Guinea languages spoken in the "Bird's Tail" (southeastern peninsula) of New Guinea. They are sometimes included in a speculative Southeast Papuan

Southeast Papuan languages

The Southeast Papuan or "Bird's Tail" languages are a geographic grouping of half a dozen small families of Papuan languages in the "Bird's Tail" of New Guinea: Koiarian, Kwalean, Manubaran, Yareban, Mailuan, and Dagan...

 branch of Trans–New Guinea (TNG), but the Southeast Papuan families have not been shown to be any more closely related to each other than they are to other TNG families.

The languages are Bauwaki, Binahari, Domu, Laua

Laua language

Laua, also known as Labu, is a native language of Papua New Guinea. It is spoken in the Central Province, north and west of Laua according to Ethnologue. Laua now has only one remaining speaker as of 1987, making it nearly extinct. There is little hope of recovering Laua since only one elder...

, Mailu

Mailu language

Mailu or Magi is a Papuan language of Papua New Guinea.Magi is a non-Austronesian language spoken by upwards of 6000 people living on the islands of Mailu, Laluoru, Loupomu and Eunuoro and along the south coast between Cape Rodney and mid-Orangerie Bay of the Central Province of Papua New Guinea...

 (Magi), Morawa