Vindafjord is a municipality in Rogaland county, Norway. It is part of the traditional district of Haugaland. Since 2005, the administrative centre of the municipality has been the village of Ølensjøen, prior to that time it was the village of Sandeid. Other villages in the municipality include Bjoa, Imslandsjøen, Ølensvåg, Skjold, Vats, Vikebygd, and Vikedal. The municipality is centered on the Vindafjorden and Sandeidfjorden in the east and it lies north and east of the Skjoldafjorden in the west.
Vindafjord was established as a new municipality on 1 January 1965 after a major municipal merger that resulted from the work of the Schei Committee. The municipality of Sandeid and parts of the municipalities of Vats, Imsland, Skjold, and Vikedal. Initially, Vindafjord had 4,616 residents. On 1 January 1969, the Sponevik farm (population: 6) was transferred from Vindafjord to the neighboring municipality of Tysvær. Then on 1 January 1978, the Vormestrand area along the southern shore of the Vindafjorden (population: 13) was transferred to neighboring Suldal municipality.
Vindafjorden (English: Vinde Fjord or Vinda Fjord) is a fjord in Rogaland county, Norway. The 30-kilometre (19 mi) long fjord is a northern branch off of the main Boknafjorden. The fjord marks the municipal boundaries between Vindafjord, Suldal, and Tysvær. The fjord initially runs from the very narrow Ropeid isthmus to the west and near the village of Vikadal, the fjord heads to the south before emptying into the Boknafjorden near the village of Nedstrand. There are two smaller fjords which branch off of the Vindafjorden. They are the Sandeidfjorden (to the north) and the Yrkjefjorden (to the west). The deepest part of the fjord reaches about 580 metres (1,900 ft) below sea level, just off the shore from Imsland Church.