James Vernon may refer to: James Vernon (politician, born 1646) (1646–1727), English administrator and Whig politician James Vernon the Younger (1677–1756), British diplomat, civil servant, and briefly a Member of Parliament James Vernon (chemist) (1910–2000), Australian industrial chemist, Director of CSR (Colonial Sugar Refining Company) 1958–82 James Vernon (historian), British historian
See also Jim Vernon