Kvam is a municipality in the county of Hordaland, Norway. The parish of Vikør was established as a municipality on 1 January 1838 . Parts of Strandebarm were merged with Kvam on 1 January 1965. The municipality borders Voss to the north, Vaksdal, Samnanger and Fusa to the west, Granvin to the east and Hardangerfjorden to the south.
Important settlements in the municipality include Norheimsund, Øystese, Ålvik, Tørvikbygd, Strandebarm and Mundheim. Norheimsund and Øystese are the largest settlements with 2,087 and 1,626 inhabitants respectively. The largest lakes are Bjølsegrøvvatnet and Holmavatnet. In addition a portion of Hamlagrøvatnet is located in Kvam.In 2007 Kvam participated in a trial where the mayor was directly elected. The sitting mayor, Astrid Selsvold, won the election with 26.7% of the votes.The Old Norse form of the name was Hvammr, identical with the word hvammr which means "(small) valley".