Johann Wilhelmi
Johann Wilhelmi or Johann Wilhelmy is the name of the following people:
- Johann Caspar Wilhelmi (pastor) († before 1693), German clergyman and author
- Johann Caspar Wilhelmi (goldsmith) († around 1763), German goldsmith
- Johann Conrad Wilhelmi (around 1738–1804), German goldsmith and jeweler
- Johann David Wilhelmi (1619–1671), German physician
- Johann Freiderich Carl Wilhelmi ( JF Carl Wilhelmi ; 1829–1884), German botanist
- Johann Georg Wilhelm Wilhelmy (1781–1858), German organ builder
