Aggersund is a town and harbour with a population of 354 (1 January 2012) in the Himmerland region of the Jutland peninsula of Denmark.
At Aggersund HVDC Cross-Skagerak crosses the strait of same name on 70 metres tall pylons.
Aggersborg, the largest of Denmark's former Viking ring castles, is located near Aggersund.
- ^ BEF44: Population 1st January, by urban areas database from Statistics Denmark
Coordinates: 57°00′N 9°18′E / 57.000°N 9.300°E