Burgruine Nussberg

{{Short description|Castle in Austria}}{{Expand German|date=September 2024}}{{Infobox military structure

| name = Burgruine Nussberg

| location = Carinthia, Austria

| coordinates = {{Coord|46|46|48.4|N|14|18|49.3|E|type:landmark|display=inline,title}}

| image = Frauenstein Nussberg Burgruine N-Ansicht 21082017 5423.jpg

| type = Hilltop castle

| built = early 12 century

}}

Burgruine Nussberg is a castle in Frauenstein in Carinthia, Austria.