Vangsvik or Vangsvika is a village in Senja Municipality in Troms og Finnmark county, Norway. The village has a population of about 350. The village has a school, Vangsvik Chapel, store, and medical office. There is also a large fish farming facility nearby. The Senja Rutebil (bus company) has its headquarters in Vangsvik. The village was the administrative centre of the old municipality of Tranøy until 1 January 2020 when it was merged into Senja Municipality.
Vangsvik is located on the south side of the island of Senja, along the Solbergfjorden. It is about 15 km (9.3 mi) southwest of the town of Finnsnes in neighboring Lenvik municipality. Vangsvik is also about 32 km (20 mi) northeast of the village of Stonglandseidet and about 40 km (25 mi) from the village of Å.
The 0.39-square-kilometre (96-acre) village has a population (2017) of 285 which gives the village a population density of 731 inhabitants per square kilometre (1,890/sq mi).