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Cognomen Kyriakos (Kyriakos , Κυριάκος , كيرياكوس ) , around the globe, is a common surname. The cognomen Kyriakos is habitual in Greece, where it is a common surname, Cyprus, where it is quite a common surname, and Serbia, where it is quite a rare surname. Likewise, Kyriakos is the forename as well as the last name.