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Surname Jelinek (Jelinek , Jelínek , Елинек ) , throughout the world, is a common family name. The surname Jelinek is characteristic of Czechia, where it is a common surname, Slovakia, where it is quite a common surname, and Austria. In absolute terms, the name is most common in Czechia, the United States, and Germany. Much less frequently, Jelinek is the forename as well as the last name.