Archibald Buchanan

Archibald Buchanan may refer to:


 * Archibald Buchanan (RAF officer) (1892–?), American World War I flying ace
 * Archibald Berdmore Buchanan (1823–1883), politician in Queensland, Australia
 * Archibald C. Buchanan (1890–1979), Justice of the Supreme Court of Appeals of Virginia