• Alexander Buchanan, merchant and namesake for
Troy Buchanan High School • Alexander Buchanan, prisoner on the
St. Michael of Scarborough •
Alex Buchanan (politician) (1905–1985), Australian politician •
Alexander Buchanan Campbell (1914–2007), Scottish architect •
Alexander Buchanan (soldier) (d. 1424), eldest of the three sons of Sir Walter Buchanan, eleventh Laird of Buchanan •
Alan Alexander Buchanan (1905–1984), Anglican bishop •
Eric Alexander Buchanan (1848–1928), the 3rd Baronet Buchanan of Dunburgh •
John Alexander Buchanan (1887–1976), Canadian politician and civil engineer •
Alexander Buchanan (judge) (1848–1930), of Supreme Court of South Australia •
John Alexander Buchanan (1887–1976), Canadian politician and civil engineer •
Bender (rapper) (1980–2018), Canadian underground hip hop artist •
Alexander McKenzie Buchanan (1805–1868), Justice of the Louisiana Supreme Court •
Alexander Buchanan (stockman) (1810–1865), early pioneer in South Australia ==Alex Buchanan==