"The Adventure of the Six Napoleons" is a Sherlock Holmes short story by Sir Arthur Conan Doyle, included in The Return of Sherlock Holmes collection. It was first published in Collier's in the US on April 30, 1904, and in The Strand Magazine in the UK in May 1904. The story follows Holmes as he investigates a puzzling series of incidents where a man repeatedly smashes plaster busts of Napoleon, with no apparent motive beyond destruction.