John Parry may refer to:

• John Parry (Bardd Alaw) (1776–1851), Welsh harpist and composer, and father of John Orlando Parry
• John Parry (harpist) (c1710–1782), celebrated blind harpist from Wales
• John Parry (Mormon) (1789–1868), early Welsh convert to Mormonism and first conductor of the Mormon Tabernacle Choir
• John Orlando Parry (1810–1879), Welsh singer-pianist and comedian, and son of John Parry (Bardd Alaw)
• John Parry, member of Bonzo Dog Doo-Dah Band

• John Parry (1518-1584), MP for Carmarthen Boroughs (UK Parliament constituency)
• John Parry (1724–1797), Welsh Member of Parliament for Caernarvonshire 1780–90
• John Edmund Parry (born 1946), member of the Canadian House of Commons, 1984–1988

• John Parry (American football official) (born 1965), National Football League game official from 2000 to 2018
• John Parry (golfer) (born 1986), English professional golfer

• John Parry (bishop) (died 1677), Bishop of Ossory 1672–1677
• John Parry (editor) (1812–1817) Welsh editor of the Encyclopaedia Cambrensis
• John Franklin Parry Hydrographer of the Navy 1914-1919
• John Humffreys Parry (1816–1880), English barrister and serjeant-at-law, son of the antiquary
• John Humffreys Parry (antiquary) (1786–1825), Welsh barrister and antiquarian
• J. H. Parry (1914–1982), maritime historian
• John P.M. Parry MBE (1937?-2023), British entrepreneur and engineer

• Jack Parry (1924–2010), Welsh footballer
• Jack Parry (English footballer) (born 1931), English footballer with Derby County
• John Perry (disambiguation)