Surname Дагган (Duggan 
, Дагган 
) , around the world, is a common last name. The family name Дагган is habitual in Ireland, where it is a common surname, British Virgin Islands, where it is quite a common surname, and Guernsey (explore the name in all countries). In absolute terms, the name is most common in the United States, the United Kingdom, and Ireland. Very seldom, Дагган is the forename as well as the last name.