Worldwide, Athanasiou (Athanasiou 
, Αθανασίου , Атанасиу 
) is a rare largely male, but uncommonly female given name. The first name Athanasiou is habitual in Southern Europe, particularly Greece, where it is quite a rare dominantly masculine, but seldom feminine name. Predominantly, Athanasiou is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Athanasiou | Greece, Australia, Cyprus, United States, Germany |
| Αθανασίου | Greece |
| Атанасиу | Bulgaria, Russia |
| labrini athanasiou researcher |
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| thanos athanasiou researcher |
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| thanos athanasiou surgeon in the United Kingdom |
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| lambros athanasiou researcher |
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| stathis athanasiou |
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| thanos athanasiou |
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