Heinrich Siegel
Heinrich Siegel is the name of the following people:
- Heinrich Siegel (Hammerherr Siegelhof) (1612–1669), German entrepreneur and Hammerherr
- Heinrich Siegel (Hammerherr Schönheide) (1634–1671), German entrepreneur, heir and hammer master
- Heinrich Siegel (legal historian) (1830–1899), Austrian legal historian