| Sankt Stefan im Gailtal | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 46.6167°N 44°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Carinthia |
| Subdivision Type2: | District |
| Subdivision Name2: | Hermagor |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Johann Ferlitsch |
| Elevation M: | 726 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 9623 |
| Area Code Type: | Area code |
| Area Code: | 04382 |
| Website: | www.st.stefan-gailtal.at |
Sankt Stefan im Gailtal (Slovene: Štefan na Zilji) is a small municipality in the district of Hermagor in the Austrian state of Carinthia.
Sankt Stefan lies on both sides of the Gail in the lower Gail valley between the main range of the Karnisch Alps on the south and the Gailtal Alps on the north.