John Campbell Disambiguation Page
- John Campbell, 2nd Duke of Argyll (1680-1743)
- John Campbell - US House Rep from Maryland (1765-1828)
- John Campbell - US House Rep from South Carolina (1795-1845)
- John Hull Campbell - US House Rep from Maryland (1800-1868)
- John Campbell - Lord Chancellor of England (1779-1861)
- John Campbell, 9th Duke of Argyll - 9th Duke of Argyll (1845-1914)
- John Goulder Campbell (US House delegate from Arizona (1827-1903)
- John W. Campbell (Science Fiction Author/Editor (1910 - 1971)
- John Campbell - Canadian Harness racing Driver (1955-Present)