Hans Zinsser
American physician, bacteriologist and author (1878–1940)

- Born: 1878-11-17 (New York City)
- Died: 1940-09-04 (New York City)
- Country of citizenship: United States of America
- Occupation: bacteriologist; epidemiologist; infectious disease physician; military physician
- Member of: American Academy of Arts and Sciences; American Association for the Advancement of Science; American Philosophical Society; National Academy of Sciences
- Position held: professor
- Employer: Harvard University; Stanford University
- Educated at: Columbia University; Columbia University Vagelos College of Physicians and Surgeons; Dwight School
- Residence: United States of America
- VIAF ID: https://viaf.org/viaf/17211584
- ISNI: https://isni.org/isni/000000010874335X
- WorldCat Identities ID: https://worldcat.org/identities/lccn-n79145673
- Library of Congress authority ID: https://id.loc.gov/authorities/names/n79145673