John Chapman may refer to:

• John Chapman (Medal of Honor, 1865) (1844–1905), French soldier who fought in the American Civil War
• John Chapman (Australian Army officer) (1896–1963), Australian Army general of WWII
• John A. Chapman (1965–2002), USAF Combat Controller, posthumously awarded the Medal of Honor

• John Chapman (Leicester MP) represented Leicester (UK Parliament constituency)
• Sir John Chapman, 2nd Baronet (c. 1710–1781), British Member of Parliament for Taunton, 1741–1747
• John Chapman (Grimsby MP) (1810–1877), British Member of Parliament for Grimsby, 1862–1865 and 1874–1877

• John Chapman (Pennsylvania politician) (1740–1800), United States Representative from Pennsylvania
• John Grant Chapman (1798–1856), Maryland politician
• John Lee Chapman (1811–1880), American politician
• John William Chapman (1894–1978), Lieutenant Governor of Illinois

• John Otho Chapman (1931–2011), politician in Saskatchewan, Canada
• John Chapman (Australian politician) (1879–1931), Australian senator

• Jack Chapman (baseball) (1843–1916), baseball player and manager
• Jack Chapman (footballer) (1895–?), English footballer
• John Chapman (baseball) (1899–1953), former shortstop
• John Chapman (cricketer, born 1877) (1877–1956), English cricketer
• John Chapman (cricketer, born 1814) (1814–1896), English cricketer
• John Chapman (New Zealand cricketer) (1865–1949), New Zealand cricketer
• John Chapman (football manager) (1882–1948), footballer and manager
• Johnny Chapman (born 1967), NASCAR driver
• John Chapman (rugby league) (born 1954), Australian rugby league player
• John Chapman (harness racing) (1928–1980), Canadian driver

• John Wilbur Chapman (1859–1918), American Presbyterian evangelist
• John Chapman (priest) (1865–1933), British priest, abbot, and religious scholar
• John Chapman (evangelist) (1930–2012), Australian evangelist
• John Chapman (bishop), Anglican bishop in Canada

• John Chapman (theologian) (1704–1784), English cleric and scholar
• John Chapman (engineer) (1801–1854), English political and economic writer
• John Jay Chapman (1862–1933), American essayist and dramatist
• John Chapman (screenwriter) (1927–2001), English playwright and screenwriter

• Johnny Appleseed (John Chapman, 1774–1845), pioneer nurseryman and missionary
• John Gadsby Chapman (1808–1889), American artist
• John Chapman (publisher) (1821–1894), publisher of the Westminster Review
• John Ratcliffe Chapman (1815–1899), British-American rifle scope designer
• John Henry Chapman (1860–1942), British businessman and philatelist
• John Herbert Chapman (1921–1979), Canadian space researcher
• John Chapman (artist) (born 1946), British artist
• John Norman Chapman (born 1947), American murderer
• John Chapman (producer), British television producer

• Jonathan Chapman (1807–1848), American politician

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
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