Krossneset is a village in Alver municipality, in Vestland county, Norway. The village sits on the island of Flatøy, about half-way between the villages of Frekhaug (to the west) and Knarvik (to the east). The 0.51-square-kilometre (130-acre) village has a population (2019) of 485 and a population density of 951 inhabitants per square kilometre (2,460/sq mi).