| Frantschach-St. Gertraud | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 46.8667°N 66°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Carinthia |
| Subdivision Type2: | District |
| Subdivision Name2: | Wolfsberg |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Günther Vallant |
| Elevation M: | 503 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 9413 |
| Area Code Type: | Area code |
| Area Code: | 04252 |
| Website: | www.frantschach-st-gertraud.gv.at |
Frantschach-Sankt Gertraud is a town in the district of Wolfsberg in the Austrian state of Carinthia.
The municipality lies north of Wolfsberg on the boundary with Styria.