Thomas Buchanan

Thomas Buchanan is the name of:

• Thomas Buchanan (Liberal politician) (1846–1911), Scottish Liberal politician, Under-Secretary of State for India
• Thomas Buchanan (Unionist politician) (born 1963), Northern Ireland politician
• Thomas Buchanan (Governor of Liberia) (1808–1841), first governor of Liberia and cousin of James Buchanan, president of the United States
• Thomas Buchanan Read (1822–1872), American poet and painter
• Tom Buchanan, reality TV contestant in Survivor
• Tom Buchanan, a fictional character in The Great Gatsby