John Marshall (1755–1835), former Chief Justice of the United States

John Marshall (filmmaker) (1932-2005)

John Marshall (1797-1836), English politician, Member of Parliament for Leeds

Jack Marshall - Prime Minister of New Zealand (Jack is shortened form of John)

John Stanley Marshall, a British jazz drummer

John Marshall (athlete) (born 1963), American middle-distance runner

John Marshal (Earl Marshal), 12th century Earl Marshal of England

John Marshall (football coach), defensive coordinator for the Seattle Seahawks

John Marshall (English industrialist) (1765-1845), English Industrialist and MP

John Marshall (musician) (1954-), American percussionist

John Marshall (swimmer), a swimmer from Australia

John Leslie Marshall, British MEP 1979-89 and MP 1987-97

John Marshall (cartoonist), American comic strip artist

John Marshall (archaeologist) (1876–1958)

John Marshall, Lord Curriehill (1794–1868), British judge

John Marshall (guitarist), former Metallica roadie and Metal Church guitarist

John Marshall (British captain) (1748–1819)

John W. Marshall, Virginia Secretary of Public Safety

John Marshall (bishop), 15th century Bishop of Llandaff

John Marshall Law School