Svelvik is a village in Færder Municipality in Vestfold county, Norway. The village is located on the island of Tjøme, about 3 kilometres (1.9 mi) to the north of the village of Tjøme, about 4 kilometres (2.5 mi) to the south of the village of Sundene, and about 1 kilometre (0.62 mi) to the west of the village of Grimestad.

The village of Svelvik and the surrounding countryside had a population (in 2007) of 630.