| Allerheiligen im Mürztal | |
| Settlement Type: | Former municipality |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 47.4814°N 15.4056°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Styria |
| Subdivision Type2: | District |
| Subdivision Name2: | Bruck-Mürzzuschlag |
| Parts Style: | para |
| Elevation M: | 551 |
| Population Total: | 1953 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | MZ |
| Postal Code Type: | Postal code |
| Postal Code: | 8643 |
| Area Code Type: | Area code |
| Area Code: | +43 3864 |
| Website: | www.allerheiligen-im-muerztal.at |
Allerheiligen im Mürztal was a municipality in Austria which merged in January 2015 into Kindberg in the Bruck-Mürzzuschlag District of Styria, Austria. It is not to be confused with the municipality of Allerheiligen bei Wildon in Southern Styria.
Allerheiligen was located about northeast of Bruck an der Mur and about southwest of Mürzzuschlag.