John C. White

John C. White may refer to:


 * John Campbell White (disambiguation)
 * John Campbell White, 1st Baron Overtoun (1843–1908), Scottish chemicals manufacturer
 * John Campbell White (Irish politician) (died 1923), High Sheriff of Belfast and Lord Mayor of Belfast
 * John Campbell White (diplomat) (1884–1967), American diplomat, US ambassador to Haiti and Peru
 * John Coyle White (1924–1995), American politician from Texas
 * John White (Louisiana politician) (born 1975), American politician from Louisiana