Family name Хахн (Hahn 
, Khakhn 
, Хахн 
) , around the globe, is a widespread last name. The cognomen Хахн is characteristic of Germany, where it is quite a common surname, Austria, and Bermuda (explore the name in all countries). In absolute terms, the name is most common in Germany, the United States, and Brazil. Much less frequently, Хахн is the forename as well as the last name.