Sennumstad or Senumstad is a village in Birkenes municipality in Agder county, Norway, on the western shore of the river Tovdalselva, at the junction of the Norwegian National Road 41 and the Norwegian County Road 406. The Senumstad Bridge crosses the river here. The village of Væting is about 5 kilometres (3.1 mi) to the northwest, Søre Herefoss around 5 kilometres (3.1 mi) northward and the municipal centre, Birkeland, about 10 kilometres (6.2 mi) to the south.