Johann Dietz
Johann Dietz is the name of the following people:
- Johann Dietz (Feldscher) (1665–1738), Feldscher from Kurbrandenburg and Greenland driver
- Johann von Dietz (1803–1877), German surgeon and ophthalmologist
- Johann Adam Dietz (1671–1742), Bohemian sculptor
- Johann Baptist Dietz (1879–1959), German Roman Catholic Bishop of Fulda
- Johann Heinrich Wilhelm Dietz (1843–1922), German politician (SPD) and publisher
- Johann Justus Dietz (1789–1813), robber