Cognomen Хасслер (Hassler 
, Хасслер 
) , around the world, is a common last name. The last name Хасслер is characteristic of Western Europe, particularly Liechtenstein, where it is quite a common surname, Austria, and Switzerland, where it is quite a rare surname. In absolute terms, the name is most common in the United States, Germany, and Austria. Much less frequently, Хасслер is the forename as well as the last name.