Surname كولر (Kohler 
, Koller , كولر 
) , all around the world, is a widespread family name. The family name كولر is characteristic of Western Europe, particularly Switzerland, where it is a common surname, Austria, and Germany (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Switzerland. Very seldom, كولر is the forename as well as the last name.