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Surname Antos (Antos , Antoš , انتوس) , all around the world, is quite a common last name. The cognomen Antos is characteristic of Eastern Europe, particularly Czechia, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Poland. Measured by absolute frequency, the name is most common in Czechia, Poland, and the United States. Likewise, Antos is the forename as well as the last name.