Vågsøy is a former municipality in the old Sogn og Fjordane county, Norway. It was located in the traditional district of Nordfjord. The municipality's administrative center was the town Måløy. Other population centers in Vågsøy included the villages of Bryggja, Deknepollen, Holvika, Kvalheim, Langeneset, Raudeberg, Refvika, Silda, Tennebø, Totland, Vedvika, and Vågsvåg. The municipality included the island of Vågsøy, several small surrounding islands, and part of the mainland. On 1 January 2020, the municipality was dissolved and divided between Kinn Municipality and Stad Municipality in Vestland county.

Sogn og Fjordane was, up to 1 January 2020, a county in western Norway, when it was merged to become part of Vestland county. Bordering previous counties Møre og Romsdal, Oppland, Buskerud, and Hordaland, the county administration was in the village of Hermansverk in Leikanger municipality. The largest town in the county was Førde.