Tirio ( Makayam [Makaeyam] and Aturu [Adulu, Atura]) is Papuan language of Western Province, Papua New Guinea. The Giribam 'dialect' may be a distinct language.
Makayam is spoken in Aduru (), Lewada (), Suame (), and Sumogi Island villages of Gogodala Rural LLG. The Giribam dialect is spoken in Janor village () of Oriomo-Bituri Rural LLG.
Pronouns are:
No-, o-, zo-, i- may reflect proto-TransâÂÂNew Guinea *na, *ga, *ja, *i.