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Family name Bartunek (Bartunek , Bartůněk ) , around the world, is quite a rare last name. The cognomen Bartunek is characteristic of Czechia, where it is quite a common surname, Slovakia, where it is a rare surname, and Austria. In absolute terms, it is commonest in Czechia, the United States, and Poland. Very seldom, Bartunek is the forename as well as the last name.