John Arnold may refer to:
Politicians John Arnold (Kentucky politician), member of the Kentucky House of Representatives, 1995–2013 John Arnold (MP for Ipswich) (died 1410), MP for Ipswich, 1388–1399 John Arnold (MP for Hampshire) (died 1433), MP for Hampshire, 1413 John Arnold (MP for Monmouthshire) (died 1606), MP for Monmouthshire, 1597 John Arnold of Monmouthshire (c. 1635–1702), Ultra-Protestant and MP for Monmouth, 1680–1689, 1695 and Southwark, 1689–1695 John H. Arnold (politician) (1862–1944), American politician; Lieutenant Governor of Ohio, 1915–1917 John W. Arnold (1842–1900), American politician; Illinois Senate, 1890–1894
Music John Arnold (1720–1792), English music editor and composer of psalmodies in the West Gallery style John Dent Arnold (1890–1948), American lyricist with composer Harry Baisden of World War I songs John Ayldon (1943–2013), English opera singer born John Arnold
Others John Arnold (American football) (born 1955), American football player John Arnold (bishop) (born 1953), English Catholic bishop John Arnold (cinematographer) (1889–1964), American cinematographer John Arnold (judge) (1915–2004), British judge John Arnold (priest) (born 1933), Anglican dean and author John Arnold (watchmaker) (1736–1799), English watchmaker and inventor, with a son named John Roger Arnold (1769–1843) John D. Arnold (born 1974), former Enron trader and political activist John E. Arnold (1913–1963), American psychologist and engineer John H. Arnold (historian) (born 1969), British historian and professor John Nelson Arnold (1834–1909), American portrait painter Johnny Arnold (1907–1984), English international footballer and test cricketer John Arnold, Australian surf entrepreneur, behind Golden Breed John Arnold, perpetrator of the murder of Betty Gardner John Arnold, a character in the novel Jurassic Park
See also Jack Arnold (disambiguation) Jonathan Arnold (1741–1793), American statesman and physician from Rhode Island Jonathan Earle Arnold (1814–1869), Wisconsin politician