The Serra Hills languages form a branch of Skou languages. They are spoken in the Serra Hills of Sandaun Province, Papua New Guinea.

Languages are,

Puari, Rawo, Womo, Sumararu

References

• Foley, William A. (2018). "The Languages of the Sepik-Ramu Basin and Environs". In Palmer, Bill (ed.). The Languages and Linguistics of the New Guinea Area: A Comprehensive Guide. The World of Linguistics. Vol. 4. Berlin: De Gruyter Mouton. pp. 197–432. ISBN   978-3-11-028642-7.