Brugg District is a district in the Canton of Aargau, Switzerland. The capital of the district is the town of Brugg.

Brugg District has an area, as of 1997, of 149.29 km2 (57.64 sq mi). Of this area, 42.6% is used for agricultural purposes, while 41.3% is forested. The rest of the land, (14.1%) is settled. It is located around the rivers Aare and Reuss.