James Buchanan (1791–1868) was the 15th president of the United States from 1857 to 1861.

James Buchanan may also refer to:

• James Buchanan of Drumpellier (1726–1786), British merchant, twice Lord Provost of Glasgow
• James M. Buchanan (diplomat) (1803–1876), American jurist and diplomat
• James Buchanan (New South Wales politician) (1827–1891), Australian politician and magistrate
• James Buchanan (New Jersey politician) (1839–1900), U.S. Representative from New Jersey
• James P. Buchanan (1867–1937), American congressman from Texas
• James Buchanan, British East Pakistani official, 1st head of the paramilitary Bangladesh Ansars
• James Buchanan (Florida politician) (born 1982), American politician, member of the Florida Legislature

• Jim Buchanan (baseball) (1876–1949), baseball player
• Jim Buchanan (footballer) (1898–?), Scottish professional footballer
• Jim Buchanan (long jumper) (1955–1977), Canadian Olympic athlete
• James Buchanan (New Zealand cricketer) (1856–1921), New Zealand cricketer
• James Buchanan (South African cricketer) (1908–1989), South African cricketer

• James M. Buchanan (1919–2013), American Nobel laureate economist
• James Buchanan (minister) (1804–1870), Church of Scotland minister and theologian
• James Buchanan, 1st Baron Woolavington (1849–1935), Scottish businessman, philanthropist, and racehorse owner and breeder
• James Buchanan (teacher) (1849–1897), Scottish teacher and founder of St. Margaret's School, Edinburgh
• James Buchanan (1785–1857), Scottish philanthropist
• James S. Buchanan (1864–1930), American educator, fourth president of the University of Oklahoma
• Sir James Buchanan, 2nd Baronet (1840–1901), British Royal Navy officer
• Jim Buchanan (violinist), American violinist, member of David Grisman Quintet

• James Buchanan Duke (1856–1925), American industrialist
• James Buchanan Eads (1820–1887), American engineer and inventor
• James Buchanan Macaulay (1793–1859), Canadian lawyer
• Bucky Barnes, Marvel Comics character whose full name is James Buchanan Barnes
  • Bucky Barnes (Marvel Cinematic Universe), film and TV adaptation of Marvel Comics character, also with the full name of James Buchanan Barnes

Topics referred to by the same term

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