Doctor Watson

Doctor Watson (sinistra parte) et Sherlock Holmes (dextra), a Sidney Paget depicti

Doctor Watson (rarissime nomine pleniori "Ioannes H. Watson") est persona in fabulis ab Arthuro Conan Doyle scriptis, socius amicusque Sherlock Holmes quaestoris. In lucem proditur anno 1887 in opere A Study in Scarlet ("De purpureo").