Last name ברגן (Bergen 
, ברגן 
) , in all the world, is a common cognomen. The surname ברגן is characteristic of Paraguay, where it is quite a common surname, Netherlands, and Aruba (explore the name in all countries). Measured by absolute frequency, the name is most common in the United States, Netherlands, and Canada. Much less frequently, ברגן is the forename as well as the last name.