Horsens municipality is a municipality in Region Midtjylland on the east coast of the Jutland peninsula in central Denmark. The municipality includes the island of Endelave, and covers an area of 524.21 km2. It has a population of 90,370. Its mayor is Peter Sørensen, a member of the Social Democrats political party. The main town and the site of its municipal council is the city of Horsens.
The municipality was created in 1970 due to a kommunalreform that combined the city of Horsens with a number of existing parishes:
Coordinates 55°51'40.21" N 9°50'40.118" E