>
Last name Koller (Koller , كولر , Коллер ) , worldwide, is a common surname. The family name Koller is habitual in Western Europe, particularly Switzerland, where it is a common surname, Austria, and Liechtenstein, where it is quite a common surname (explore the name in all countries). In absolute terms, it is commonest in Western Europe, particularly Germany, Switzerland, and Austria. Much less frequently, Koller is the forename as well as the last name.