John Barnard (disambiguation)

John Barnard (born 1946) is an English race car designer.

John Barnard may also refer to:
 * John Barnard (music publisher) (fl. 1625–1649), first to publish a collection of English cathedral music
 * John Barnard (clergyman) (1681–1770), Congregationalist minister from Massachusetts
 * John Barnard (shipbuilder) (1705–1784), English shipbuilder to the Royal Navy
 * John Barnard (composer) (born 1948), English church music composer
 * John G. Barnard (1815–1882), U.S. Army officer
 * John Barnard (cricketer) (1794–1878), English cricketer
 * John Barnard (cyclist) (1885–1977), British Olympic cyclist
 * John Barnard (politician) (1685–1764), British Whig MP
 * John Barnard (biographer) (died 1683), English biographer of Peter Heylyn
 * John Barnard (supporter of James II) (1662–?)