John Barber may refer to:
Politics John Barber (Lord Mayor of London) (died 1741), Jacobite printer, Lord Mayor of London in 1732 John Barber, represented Tryon County in the North Carolina General Assembly of 1777 John Roaf Barber (1841–1917), Canadian industrialist and politician
Sports Jack Barber (1901–1961), English footballer John Barber (basketball) (born 1927), retired American basketball player John Barber (cricketer) (1849–1908), English cricketer John Barber (racing driver) (1929–2015), retired British Formula One driver Skip Barber (born 1936 as John Barber III), retired American racecar driver
Others John Barber (artist, scholar), Vancouver-based sound artist and scholar John Barber (businessman) (1919–2004), British businessman John Barber (clergyman) (died 1549), English clergyman John Barber (engineer) (1734–1793), English inventor of the gas turbine in 1791 John Barber (composer) (1980-), classical music composer from Bristol UK John P. Barber, American engineer, pioneer of the railgun technology John T. Barber, Cornish bard and poet hailing from St. Ives John Warner Barber (1798–1885), American artist and author of popular histories John William Barber ("Bill" Barber, 1920–2007), American tuba player
See also John Barber White (1847–1923), American businessman and politician