Hamre is a village in the municipality of Osterøy in Hordaland county, Norway. The village of Hamre is located near the extreme western point on the island of Osterøy, across the Osterfjorden from the village of Knarvik. Hamre sits about 7 kilometres (4.3 mi) north of the village of Valestrandfossen. The 0.24-square-kilometre (59-acre) village has a population (2013) of 205, giving the village a population density of 854 inhabitants per square kilometre (2,210/sq mi).