| Weißenstein | |
| Pushpin Map: | Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Austria |
| Coordinates: | 46.6833°N 56°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Carinthia |
| Subdivision Type2: | District |
| Subdivision Name2: | Villach-Land |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Hermann Moser |
| Elevation M: | 559 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 9550, 9710, 9721, 9722 |
| Area Code Type: | Area code |
| Area Code: | 04245 |
Weißenstein (Slovenian: Bilšak) is a town in the district of Villach-Land in the Austrian state of Carinthia.
Weißenstein lies in the lower Drau valley northwest of Villach. The highest point in the municipality is the Spitzeck at 1517 m, and the lowest at 500 m.
The scenery around Weißenstein has been attracting artists for years, and their work is presented in the town's Wachaumuseum. The other main attraction is its Church of the Virgin Mary, on a hilltop to protect against the Turks.