Alexander John Yersin
Swiss and French physician and bacteriologist
- Born: 1863-09-22 (Aubonne)
- Died: 1943-02-28 1943-03-01 (Nha Trang)
- Country of citizenship: France (since: 1889-01-01); Switzerland
- Occupation: agronomist; bacteriologist; biologist; explorer; physician
- Member of: Académie Nationale de Médecine; Académie des sciences d'outre-mer
- Employer: Hanoi Medical University; Messageries Maritimes; Pasteur Institute
- Educated at: University of Lausanne
- VIAF ID: https://viaf.org/viaf/32075528
- ISNI: https://isni.org/isni/0000000055107754
- WorldCat Identities ID: https://worldcat.org/identities/lccn-n85208871
- Library of Congress authority ID: https://id.loc.gov/authorities/names/n85208871