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Around the world, Колер (Kohler , Koller , Koler ) is a rare unisex forename. The first name Колер is habitual in North Macedonia, where it is a rare male name, Switzerland, where it is a rare unisex name, and Austria. In absolute terms, the name is most common in Western Europe, particularly Austria, Switzerland, and Germany. Much more frequently, Колер is the last name as well as the forename.