John Barry may refer to:
- Sir John Barry, rector of St Andrew's Church, Chew Stoke, 1524–1546
- John Barry (naval officer) (1745–1803), an officer in the Continental Navy during the American Revolutionary War and later in the United States Navy
- John Milner Barry (1768–1822), Irish doctor
- John Alexander Barry (1790–1872), merchant in Nova Scotia
- John Barry (bishop) (1799–1859), bishop in the Roman Catholic Church
- John S. Barry (1802–1870), Governor of Michigan
- John D. Barry (1839–1867), brigadier general in the Confederate States Army during the American Civil War
- John Barry (Irish politician) (1845–1921), UK MP for South Wexford 1885–1893
- John Arthur Barry (1850–1911), journalist and author
- John Barry (VC) (1873–1901), recipient of the Victoria Cross
- John Barry (equestrian) (1880–1937), member of the U.S. equestrian team at the 1924 Summer Olympics
- Jack Barry (baseball) (1887–1961), given name John, American baseball shortstop and coach
- John Patrick Barry (1893–1946), Canadian politician and lawyer
- John Vincent Barry (1903–1969), former Supreme Court justice for Victoria, Australia
- John Barry (WD-40) (1924–2009), American business executive; popularized the WD-40 water-displacing spray and lubricant
- John Barry (composer) (1933–2011), British film composer
- John Barry (set designer) (1935–1979), British film production designer
- Living people
- John Barry (tennis) (born 1928), New Zealand tennis player
- John M. Barry (ca. 1947/8), American historian and writer
- John Barry (politician) (fl. 1985), Irish Green Party politician
- Other
- John Barry, used by Australians as a placeholder name, similar to John Q. Public
Famous quotes containing the word barry:
“But whether on the scaffold high,
Or in the battles van,
The fittest place where man can die
Is where he dies for man.”
—Michael J. Barry (18171889)