Halsua (Swedish: Halso) is a municipality of Finland.

Halsua is located in the province of Western Finland and is part of the Central Ostrobothnia region.

[1] The population density is 2.38 inhabitants per square kilometre (6.2/sq mi).

Neighbouring municipalities are Kaustinen, Kokkola, Lestijärvi, Perho and Veteli.

This Western Finland location article is a stub.