| Lassing | |
| Settlement Type: | Municipality |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 47.5267°N 14.2625°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Styria |
| Subdivision Type2: | District |
| Subdivision Name2: | Liezen |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Friedrich Stangl |
| Elevation M: | 782 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | LI |
| Postal Code Type: | Postal code |
| Postal Code: | 8903 |
| Area Code Type: | Area code |
| Area Code: | 03612 |
| Website: | www.lassing.at |
Lassing (pronounced as /de/) is a municipality in the district of Liezen, Styria, Austria.
On July 17, 1998, a local mine collapsed. One man survived but ten others perished.