Sørfjorden is a 30-kilometre (19 mi) long fjord in Hordaland county, Norway. The fjord flows around the west and south sides of the island of Osterøy, going through the municipalities of Osterøy, Bergen, and Vaksdal. The fjord begins at the village of Vaksdal where the Veafjorden flows into the Sørfjorden, it then heads west and then north before emptying into the Osterfjorden.