John or Jack McIntosh may refer to:
Politics John McIntosh (reformer) (1796–1853), businessman and political figure in Upper Canada John McIntosh (Quebec politician) (1841–1904), member of the Legislative Assembly of Quebec and the Canadian House of Commons John Donald McIntosh (1850–?), politician in Manitoba, Canada John William McIntosh (c. 1870–1939), physician and politician in British Columbia, Canada John Charles McIntosh (1874–1940), lawyer and political figure in British Columbia John McIntosh (Australian politician) (1901–1971), New South Wales politician Jack McIntosh (politician) (1909–1988), member of the Canadian House of Commons from Saskatchewan
Sports Jack McIntosh (English footballer) (1876–?), English football forward Jack McIntosh (Australian footballer) (1878–1944), Australian rules footballer for Melbourne John H. McIntosh (1879–1925), American college football coach Jack McIntosh, American high jumper at the 1929 USA Outdoor Track and Field Championships Ian McIntosh (footballer) (John McGregor McIntosh, 1933–2022), Scottish footballer, see List of Bury F.C. players (25–99 appearances) John McIntosh (footballer, born 1943), Australian rules footballer for Claremont and St Kilda Jack McIntosh (strongman) (born 1988), British strongman competitor
Others John McIntosh (farmer) (1777–c. 1846), American-born Canadian farmer credited with discovering the McIntosh apple John Baillie McIntosh (1829–1888), Union Army general in the American Civil War John F. McIntosh (1846–1918), Scottish locomotive engineer John Cowe McIntosh (1892–1921), British-born Australian aviator John Stanton McIntosh (1923–2015), American physicist and dinosaur paleontologist John McIntosh (educator) (born 1946), British headmaster of the London Oratory School
See also John Mackintosh (disambiguation)