Sør-Vågsøy is a former municipality in Sogn og Fjordane county in Norway. The municipality existed from 1910 until 1964 and it encompassed the southern part of the island of Vågsøy and a small area on the mainland just east of the island. The area is now located in the southern part of the present-day Vågsøy Municipality. The administrative centre of the municipality was Måløy, where Sør-Vågsøy Church is located. Other population centres in the municipality are the villages of Holvik, Vågsvåg, Torskangerpoll, Færestrand, and Ytre Oppedal.