Helmut Dennig
German physician
- Born: 1895-07-13 (Tübingen)
- Died: 1973-02-01 (Stuttgart)
- Occupation: internist
- Member of political party: Nazi Party
- Participant in: Nuremberg Medical Trial (date: 1946-12-21; role: affiant)
- Significant person: Hermann Becker-Freyseng (role: colleague)
- Employer: Heidelberg University; Karl-Olga Hospital
- VIAF ID: https://viaf.org/viaf/7822310
- ISNI: https://isni.org/isni/0000000120204869
- WorldCat Identities ID: https://worldcat.org/identities/lccn-no2011085895
- Library of Congress authority ID: https://id.loc.gov/authorities/names/no2011085895