Brumath, also Brumpt, is a commune in the Bas-Rhin department in Alsace-Champagne-Ardenne-Lorraine in north-eastern France.
Brumath occupies the site of the Roman Brocomagus.Maria Christina of Saxony, aunt of Louis XVI, died in the château in the city. The building was destroyed in the Revolution.
Brumath is located on the Zorn river, and is 17 km (11 mi) north of Strasbourg and 13 km (8.1 mi) south of Haguenau.
Brumath has a Roman Catholic and a Protestant church. The vaulted basement of the former castle of the Hanau-Lichtenberg family now houses the Musée archéologique, displaying findings made in and around the ancient Roman town of Brocomagus.
Brumath is served by the Route nationale 63, linking Strasbourg to Haguenau, and by the A4 autoroute. It has a railway station on the line linking Strasbourg and Metz.