Theodor Ulrich
Theodor Ulrich is the name of the following people:
- Theodor Ulrich (entrepreneur) (1790–1871), German coal and steel entrepreneur, see Theodorshütte
- Theodor Ulrich (mycologist) (1877–1964), Austrian-German pharmacist and mycologist
- Theodor Ferdinand Ulrich (1825-1896), German metallurgist, civil servant and politician (center)