| Native Name: | Bezirk Bruck-Mürzzuschlag |
| Native Name Lang: | de |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | Federal state |
| Subdivision Name1: | Styria |
| Subdivision Type2: | Number of municipalities |
| Subdivision Name2: | 19 |
| Leader Title: | District Governor |
| Leader Name: | Bernhard Preiner |
| Unit Pref: | Metric |
| Area Total Km2: | 2155 |
| Population Total: | 100,306 |
| Population As Of: | 1 January 2016 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +01:00 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +02:00 |
| Area Code Type: | Telephone prefix |
| Blank Name Sec1: | NUTS code |
| Blank Info Sec1: | AT223 |
Bruck-Mürzzuschlag (pronounced as /de/) 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.[1] 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:[2]
Up until 1 January 2015, the district contained the following 37 municipalities: