| Thannhausen | |
| Settlement Type: | Municipality |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Mapsize: | 260x260px |
| Coordinates: | 47.26°N 15.61°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Styria |
| Subdivision Type2: | District |
| Subdivision Name2: | Weiz |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Gottfried Philipp Heinz |
| Elevation M: | 480 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Registration Plate: | WZ |
| Postal Code Type: | Postal code |
| Postal Code: | 8160 |
| Area Code Type: | Area code |
| Area Code: | 03172 |
| Website: | www.thannhausen.at |
Thannhausen is a municipality in the district of Weiz in the Austrian state of Styria. It is where Princess Sophie of Hohenberg died in 1990.