Wilhelm Karl Ritter von Haidinger
| Wilhelm Karl Ritter von Haidinger | |
|---|---|
| Born | 5 February 1795 | 
| Died | 19 March 1871 (aged 76) Dornbach, Vienna, Austrian Empire | 
Wilhelm Karl Haidinger (5 February 1795 – 19 March 1871), ennobled as Wilhelm Ritter von Haidinger in 1864, was an Austrian mineralogist.