Sunnan or Sundan is a village in Steinkjer Municipality in Trøndelag county, Norway. It is located in the area between the lakes Snåsavatnet and Fossemvatnet about 10 kilometres (6.2 mi) northeast of the town of Steinkjer. The village of Følling lies about 4 kilometres (2.5 mi) to the west and the village of Binde lies about 4 kilometres (2.5 mi) to the east.