Last name Kolbuch (Kolbuch 
) , around the globe, is a rare cognomen. The last name Kolbuch is characteristic of Poland, where it is a rare surname, Czechia, and Canada, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Poland, Germany, and Czechia. More frequently, Kolbuch is the forename as well as the last name.