Friedrich Sack
Friedrich Sack is the name of the following people:
- Friedrich Sack (politician) (1913–1991), German politician (SPD)
- Friedrich Ferdinand Adolf Sack (1788–1842), German preacher
- Friedrich L. Sack (1906–1979), Swiss English studies and grammar school teacher
- Friedrich Samuel Gottfried Sack (1738–1817), German theologian