Tennevoll, also known as Deannja in Northern Sami, is a village located in Norway. It serves as the administrative centre of Lavangen Municipality within Troms county. The settlement is situated approximately 50 kilometres (31 mi) straight east of the town of Harstad.
The village is positioned at the end of the Lavangen fjord along the river Spansdalselva, which flows through the Spansdalen valley. Geographically, it is bordered to the east by Reinbergen, a mountain standing 632 metres (2,073 ft) tall.