Siawi language
Siawi, also known as Musan, is one of two Amto–Musan 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.