Surname 福柯 (Foucault 
, 福柯 
) , worldwide, is a common last name. The last name 福柯 is characteristic of France, where it is quite a common surname, Canada, where it is quite a rare surname, and Uruguay. Not in comparison with a country's population, it is the most numerous in France, Canada, and the United States. Much less frequently, 福柯 is the forename as well as the last name.