List of Famous people named John

John Wayne Kappler is a professor in the Department of Integrated Immunology at National Jewish Health. His principal research is in T cell biology, a subject he collaborates on with his wife Philippa Marrack. In 1983 they discovered the T cell receptor, together with Ellis Reinherz and James Allison.

John Conrad Russell, 4th Earl Russell was the eldest son of the philosopher and mathematician Bertrand Russell and his second wife, Dora Black. His middle name was a tribute to the writer Joseph Conrad, whom his father had long admired. He was the great-grandson of the 19th century British Whig Prime Minister Lord John Russell. He succeeded to the earldom on the death of his father on 2 February 1970.

John Glenn Beall Jr., was an American Republican politician and businessman from the state of Maryland who served in the United States House of Representatives, representing Maryland's 6th congressional district (1969–1971), and as a United States Senator from Maryland (1971–1977). He was also a member of the Maryland House of Delegates (1962–1968).

John William Marshall served as Secretary of Public Safety in the Cabinet of Virginia Governor Tim Kaine from 2006 to 2010, and Governor Mark Warner from 2002 to 2006, and was the longest-serving member of the Virginia Governor's Cabinet.

John Grubham Howe (1657–1722), commonly known as Jack Howe, was an English politician. Elected on numerous occasions as Member of Parliament, he made the transition from the Whig to the Tory faction.

Brigadier John Mordaunt, Viscount Mordaunt was an English soldier and politician.