Bruck-Mürzzuschlag (German: [bʁʊk myɐ̯t͡sˈt͡suːʃlak]) is a district in Styria, Austria. It came into effect on January 1, 2013, when the merging of the districts Bruck an der Mur and Mürzzuschlag occurred. Just 2 years later, on 1 January 2015, the district was restructured in the Styria municipal structural reform and reduced from 37 to 19 towns. It consists of the following 19 municipalities:

Prior district before 2015

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Up until 1 January 2015, the district contained the following 37 municipalities: