Buchanan (surname)
Buchanan is a surname of Scottish origin (see Clan Buchanan) and is the surname of:
- Allen Buchanan, the James B. Duke Professor of philosophy at Duke University
- Allen Buchanan (Medal of Honor recipient), American Medal of Honor recipient
- Archibald C. Buchanan (1890–1979), American lawyer and judge
- Barry Buchanan (born 1968), American professional wrestler ("Bull Buchanan")
- Bay Buchanan, sister to Pat Buchanan, and Treasurer of the United States
- Blake Buchanan, founder of Bahama Buck's.
- Buchanan family, one of the main families in the American soap opera One Life to Live
- Cameron Buchanan, football player
- Charles Pakenham Buchanan (1874–1924), Australian business man and mayor of Brisbane
- Chester and Lester Buchanan, country musicians known as the Buchanan Brothers
- Claudius Buchanan (1766–1815), Scottish divine
- Colin Buchanan (entertainer), Australian entertainer
- Colin Buchanan (actor), Scottish actor
- Sir Colin Buchanan (town planner), British transport expert
- David Buchanan (born 1986), Northern Irish footballer
- Edgar Buchanan, American actor
- Edna Buchanan, American journalist and author
- Francis Buchanan-Hamilton (1762–1829), Scottish surgeon, geographer and naturalist
- Franklin Buchanan (1800–1874), American Confederate admiral
- George Buchanan (1506–1582), Scottish humanist
- George Buchanan (diplomat) (1854–1924), British ambassador in Russia 1911–1919
- George Buchanan (engineer), British civil engineer
- George Buchanan (politician) (1890–1955), Scottish politician
- George Wesley Buchanan, Professor Emeritus, Wesley Theological Seminary, Washington, DC, USA
- Ian Buchanan (born 1957), Scottish television actor
- Ian Buchanan (philosopher) (born 1969) Australian philosopher
- Jack Buchanan (1891–1957), British actor and singer
- James Buchanan (1791–1868), 15th President of the United States of America
- James Buchanan, 1st Baron Woolavington (1849–1935), a British businessman and philanthropist
- James M. Buchanan (born 1919), American economist
- Jensen Buchanan (born 1962), U.S. actress
- John Buchanan (born 1931), Canadian politician
- John Buchanan (American politician), Republican presidential candidate in 2004
- John Buchanan (footballer born 1951), Scottish footballer
- John A. Buchanan (1843–1921), American politician and judge
- John P. Buchanan (1847–1930), Governor of Tennessee
- Ken Buchanan (born 1945), Scottish boxer
- Keisha Buchanan (born 1984), British-Jamaican singer
- Lachlan Buchanan (born 1987), Australian actor
- Manley Augustus Buchanan (born 1949), Jamaican musician
- Neil Buchanan, British television presenter
- Pat Buchanan, American political pundit and Reform Party presidential nominee in 2000
- Ray Buchanan (born 1971), American football player
- Robert Buchanan (footballer) (1868–1909), Scottish international footballer
- Robert C. Buchanan (1811–1878), American soldier
- Robert Williams Buchanan (1841–1901), British poet, dramatist, and novelist
- Roy Buchanan (1939–1988), American guitarist
- Scott Buchanan (1895–1968), American educator and philosopher
- Shamari Buchanan (born 1977), American football player
- Simone Buchanan (born 1968), Australian actress
- Vern Buchanan, U.S. Representative from Florida
- William Buchanan, Canadian politician