Siawi, also known as Musan, is one of two AmtoâÂÂMusan (Samaia River) languages. It is spoken in Siawi village (), Green River Rural LLG, Sandaun Province, Papua New Guinea.
The name "Siawi" is misspelling of the endonym, Siafli, used on government maps. The old name for the language, "Musan", is a clan name.
Siawi has postpositions and SV basic word order.There is a clause final polar interrogative particle.