The Hound of the Baskervilles is the third of the four crime novels by British writer Arthur Conan Doyle featuring the detective Sherlock Holmes. Originally serialised in The Strand Magazine from August 1901 to April 1902, it is set in 1889 largely on Dartmoor in Devon in England's West Country and tells the story of an attempted murder inspired by the legend of a fearsome, diabolical hound of supernatural origin. Holmes and Watson investigate the case. This was the first appearance of Holmes since his apparent death in "The Final Problem", and the success of The Hound of the Baskervilles led to the character's eventual revival.

One of the most famous stories ever written, in 2003, the book was listed as number 128 of 200 on the BBC's The Big Read poll of the UK's "best-loved novel". In 1999, a poll of "Sherlockians" ranked it as the best of the four Holmes novels.