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Surname Kolba (Kolba , Kolbo , Kolben ) , all around the world, is quite a rare family name. The surname Kolba is habitual in Czechia, where it is quite a rare surname, Slovakia, and Austria, where it is a rare surname. In absolute terms, this name is the most popular in the United States, Poland, and Brazil. Very seldom, Kolba is the forename as well as the last name.