Kyrkjebø is a former municipality in the old Sogn og Fjordane county, Norway. The 681-square-kilometre (263 sq mi) municipality existed from 1858 until 1964 when it became part of the new municipality of Høyanger which still exists and is part of the new Vestland county. Prior to its dissolution, the municipality of Kyrkjebø included land on the north and south side of the Sognefjorden. The administrative centre of the municipality was the village of Kyrkjebø, where the main Kyrkjebø Church is located.