Surname ワトソン (Watson 
, ワトソン 
) , globally, is a widespread last name. The cognomen ワトソン is habitual in Jamaica, where it is a common surname, Barbados, and Isle of Man (explore the name in all countries). Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Australia. Very seldom, ワトソン is the forename as well as the last name.