Franz Unger
| Franz Joseph Andreas Nicolaus Unger | |
|---|---|
| Franz Unger, lithograph by Josef Kriehuber | |
| Born | 30 November 1800 Leutschach, Austria | 
| Died | 13 February 1870 (aged 69) Graz, Austria | 
| Nationality | Austria | 
| Known for | paleontology phytotomy | 
| Scientific career | |
| Institutions | University of Graz University of Vienna Charles University | 
Franz Joseph Andreas Nicolaus Unger (30 November 1800 in Gut Amthof near village Leutschach in Styria, Austria – 13 February 1870 in Graz) was an Austrian botanist, paleontologist and plant physiologist.