His Last Bow: Some Reminiscences of Sherlock Holmes is a 1917 collection of previously published Sherlock Holmes stories by British writer Arthur Conan Doyle, including the titular short story, "His Last Bow. The War Service of Sherlock Holmes" (1917). The collection's first US edition adjusts the anthology's subtitle to Some Later Reminiscences of Sherlock Holmes. All editions contain a brief preface, by "John H. Watson, M.D.", that assures readers that as of the date of publication Holmes is long retired from his profession of detective but is still alive and well, albeit suffering from a touch of rheumatism.

Sherlock Holmes is a fictional detective created by British author Arthur Conan Doyle. Referring to himself as a "consulting detective" in his stories, Holmes is known for his proficiency with observation, deduction, forensic science and logical reasoning that borders on the fantastic, which he employs when investigating cases for a wide variety of clients, including Scotland Yard.