| Dr. Watson | |
|---|---|
| Sherlock Holmes character | |
 Dr. Watson (left) and Sherlock Holmes, by Sidney Paget | |
| First appearance | A Study in Scarlet (1887) |
| Last appearance | "The Adventure of Shoscombe Old Place" (1927, canon) |
| Created by | Arthur Conan Doyle |
| In-universe information | |
| Full name | John H. Watson |
| Title | Doctor |
| Occupation | Physician, writer, British Army surgeon, war veteran |
| Family | H. Watson Sr. (father; deceased) |
| Spouse | Mary Morstan (late 1880s – between 1891 and 1894) Second unnamed wife (c. 1903–??) |
| Nationality | British |
| Alma mater | St Bartholomew's Hospital Medical College |
John H. Watson, known as Dr. Watson, is a fictional character in the Sherlock Holmes stories by Sir Arthur Conan Doyle. Along with Sherlock Holmes, Dr. Watson first appeared in the novel A Study in Scarlet (1887). "The Adventure of Shoscombe Old Place" (1927) is the last work of Doyle featuring Watson and Holmes, although their last appearance in the canonical timeline is in "His Last Bow" (1917).
As Holmes's friend and confidant, Watson has appeared in various films, television series, video games, comics and radio programmes.