John McMichael
British cardiologist
- Born: 1904-07-25 (Kirkcudbrightshire)
- Died: 1993-03-04
- Country of citizenship: United Kingdom; United Kingdom of Great Britain and Ireland (end cause: Royal and Parliamentary Titles Act 1927; until: 1927-04-12)
- Occupation: cardiologist; university teacher
- Member of: National Academy of Sciences (role: Foreign Associate of the National Academy of Sciences; since: 1974-01-01); Royal Society
- Employer: University of London
- Educated at: Kirkcudbright Academy; University of Edinburgh
- VIAF ID: https://viaf.org/viaf/167326258
- ISNI: https://isni.org/isni/0000000115006008
- WorldCat Identities ID: https://worldcat.org/identities/lccn-nb2010006844
- Library of Congress authority ID: https://id.loc.gov/authorities/names/nb2010006844