Farsø is a town with a population of 3,407 in Region Nordjylland in Denmark in the Vesthimmerland Municipality. Farsø was the birthplace of Johannes Vilhelm Jensen, winner of the Nobel Prize in Literature in 1944. The village of Vognsild is located to the east of Farsø. Farsø is also called one of the head cities of Vesthimmerland Municipality along with Aars, Løgstør and Aalestrup.

Vesthimmerland Municipality is a kommune in the North Jutland Region of Denmark. It covers an area of 768,08 km² (2013) and has a total population of 36,431 (2023). The Municipality borders Jammerbugt Municipality to the south and to the east it borders Rebild and Aalborg Municipality and to the south it borders Viborg Municipality and to the south-east it borders Mariagerfjord Municipality.