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Surname Duhacek (Duhacek ) , around the world, is a very rare cognomen. The last name Duhacek is habitual in Belize, where it is quite a rare surname, Czechia, where it is a rare surname, and Canada, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Belize, the United States, and Czechia.