Hermann Haack
Hermann Haack is the name of the following people:
- Hermann Haack (ichthyologist) (1839–1905), German ichthyologist
- Hermann Haack (actor) (1844–1910), German theater actor and director
- Hermann Haack (cartographer) (1872–1966), German cartographer
- Hermann Haack (politician) (1876–1967), German lawyer, administrative officer and politician