John or Jack Norris may refer to:

• John Norris (died 1577), MP for Downton, Taunton and Bodmin
• John Norris (1685–1752), Member of Parliament for Chippenham, 1713–1715
• John Norris (1702–1767), Member of Parliament for Rye, 1727–1733
• John Norris (born 1740), Member of Parliament for Rye, 1762–1774
• Sir John Norris (Royal Navy officer) (1670/71–1749), British admiral, Member of Parliament for Rye and Portsmouth
• John Thomas Norris (1808–1870), MP for Abingdon, 1857–1865
• John Norris (1721–1786), High Sheriff of Buckinghamshire

• John Norris (soldier) or Norreys (ca. 1547 – 1597), the son of Henry Norris, 1st Baron Norreys, a lifelong friend of Queen Elizabeth
• John Norris (philosopher) (1657–1711), philosopher and poet
• John Norris (1721–1786), English merchant and member of the Hellfire Club
• John S. Norris (1804–1876), American architect
• John Norris (priest) (1823–1891), English archdeacon
• J. Frank Norris (John Franklyn Norris, 1877–1952), American fundamentalist preacher
• John Norris (publisher) (1934–2010), Canadian publisher, editor, music critic, and record producer
• Jack Norris (ice hockey) (born 1942), ice hockey player
• John Norris (reporter) (born 1959), MTV News correspondent
• Jack Norris (activist) (born 1967), American dietitian and animal rights activist
• Jack Norris (footballer), Australian rules footballer
• Jac Norris, Welsh footballer

• John Norreys (disambiguation)