| Sankt Lorenzen im Mürztal | |
| Settlement Type: | Municipality |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 47.48°N 15.3708°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Styria |
| Subdivision Type2: | District |
| Subdivision Name2: | Bruck-Mürzzuschlag |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Wilhelm Weberhofer |
| Elevation M: | 500-1366 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | BM |
| Postal Code Type: | Postal code |
| Postal Code: | 8642 |
| Area Code Type: | Area code |
| Area Code: | 03864 |
| Website: | stlorenzenimmuerztal. riskommunal.net/ |
Sankt Lorenzen im Mürztal is a municipality with 3674 inhabitants (as of January 1, 2021) in the judicial district of Bruck an der Mur and in the political district of Bruck-Mürzzuschlag in Styria, Austria.
The centre of Sankt Lorenzen is at an altitude of 560 m above sea level. A., the highest point in the municipal area is the Töllmarkogel in the north at 1366 m above sea level.
Sankt Lorenzen im Mürztal is located northeast of the town of Kapfenberg. Other neighbouring communities are (clockwise) Parschlug, Turnau, Kindberg, Allerheiligen im Mürztal, Mürzhofen and Sankt Marein im Mürztal.