Last name Хаас (Haas 
, Хаас 
, Khaas 
) , all around the world, is a widespread family name. The surname Хаас is habitual in Western Europe, particularly Liechtenstein, where it is a common surname, Austria, and Germany, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Germany, the United States, and Austria. Much less frequently, Хаас is the forename as well as the last name.