Cognomen Dubek (Dubek 
, Дубек 
) , all over the world, is a rare last name. The last name Dubek is characteristic of Slovakia, where it is quite a rare surname, Hungary, where it is a rare surname, and New Zealand. Not in comparison with a country's population, the name is most common in Slovakia, Brazil, and the United States. Also, Dubek is the forename as well as the last name.