Johann Schumacher
Johann Schumacher is the name of the following people:
- Johann Schumacher (politician) (1812-1858), German politician
- Johann Schumacher (volleyball player) , German volleyball player
- Johann Daniel Schumacher (1690–1761), German librarian and manager of the Russian Academy of Sciences
- Johann Jakob Schumacher (1701–1767), Alsatian-Russian Baroque architect
- Johann Ludwig Schumacher (1796–1855), German fiscal officer and member of parliament