Jostedal is a former municipality in the old Sogn og Fjordane county in Norway. The 533-square-kilometre (206 sq mi) municipality existed from 1838 until its dissolution in 1963. It was located in the Jostedalen valley in the northern part of the present-day municipality of Luster, in Vestland county, north of the village of Gaupne. The administrative centre was also located near the Jostedal Church in the central part of the valley.