'''Selbjørnsfjorden''' is a [[fjord]] in [[Vestland]] county, [[Norway]]. The {{convert|20|km|adj=on}} long fjord flows east-westeast–west between the municipalities of [[Austevoll]], [[Fitjar]], and [[Bømlo]]. It is a wide fjord that starts at the [[Slåtterøy Lighthouse]] at the [[North Sea]] in the west and flows to the strait of [[Langenuen]] in the east. The central part of the fjord reaches about {{convert|8|km}} wide. The fjord is named after the nearby island of [[Selbjørn]].<ref name=naf2006>{{cite book |title=NAF Veibok 2007-2009|publisher=Norges Automobil-Forbund |editor=Evensen, Knut Harald |location=Oslo |language=Norwegian |year=2006 |page=33 }}</ref><ref name="snl">{{cite web|url=https://snl.no/Selbj%C3%B8rnsfjorden|title=Selbjørnsfjorden|author=Store norske leksikon|authorlink=Store norske leksikon|language=Norwegian|accessdate=2014-12-22}}</ref>