Last name 哈德尔 (Harder 
, 哈德尔 
) , around the globe, is a common surname. The surname 哈德尔 is characteristic of Denmark, where it is quite a common surname, Paraguay, and Germany (explore the name in all countries). In absolute terms, the name is most common in Germany, the United States, and Canada. Very seldom, 哈德尔 is the forename as well as the last name.