Johann Heinrich Rahn
Johann Heinrich Rahn is the name of the following people:
- Johann Heinrich Rahn (mathematician) (1622–1676), Swiss mathematician
- Johann Heinrich Rahn (historian) (1646–1708), Swiss historian
- Johann Heinrich Rahn (natural scientist) (1709–1786), Swiss natural scientist
- Johann Heinrich Rahn (physician) (1749–1812), Swiss physician
- Johann Heinrich Rahn (pharmacist) (1803–1847), German pharmacist
