Johann Blum
Johann Blum is the name of the following people:
- Johann Blum (lawyer) (1599–1629 / 1631), German lawyer
- Johann Blum (medalist) (around 1599 – after 1689), German die cutter and medalist
- Johann Blum (entrepreneur) († 1893), Austrian entrepreneur
- Johann Reinhard Blum (1802–1883), German mineralogist
See also:
- Johannes Blum (1857-1946), German politician (center)
