Cognomen דוכס (Duque 
, Hertig 
, דוכס) , globally, is a widespread last name. The surname דוכס is characteristic of Colombia, where it is a common surname, Venezuela, where it is quite a common surname, and Portugal (explore the name in all countries). Not in comparison with a country's population, the name is most common in Colombia, Philippines, and Brazil. Much less frequently, דוכס is the forename as well as the last name.