Cognomen Дюпон (Dupont 
, Дюпон 
, Dupong 
) , all over the world, is a widespread family name. The last name Дюпон is characteristic of France, where it is quite a common surname, Belgium, and Guadeloupe (explore the name in all countries). Measured by absolute frequency, the name is most common in France, the United States, and Belgium. Much less frequently, Дюпон is the forename as well as the last name.