Lavangen (Northern Sami:Loabák) is a municipality in Troms county, Norway. The administrative centre of the municipality is the village of Tennevoll. Other villages in Lavangen include Fossbakken and Spansdalen (in the inland areas) and Kjeiprød, Røkenes, Låternes, Tennevoll, Hesjevika, Soløy, and Å (surrounding the fjord).