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Cognomen Athan (Athan , อาจหาญ , อาถรรพณ์ ) , in the world, is a common last name. The last name Athan is characteristic of Greece, where it is a common surname, Thailand, where it is quite a common surname, and Qatar, where it is a rare surname. In absolute terms, the name is most common in Greece, Thailand, and Turkey. Likewise, Athan is the forename as well as the last name.