Cognomen Αντωνιάδου (Antoniadou 
, Αντωνιάδου ) , around the globe, is quite a common surname. The surname Αντωνιάδου is habitual in Cyprus, where it is quite a common surname, Greece, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Antoniadou | Greece, Cyprus, United States, United Kingdom, Germany |
| Αντωνιάδου | Greece |
Adoniadou, Andoniadou, Antoniadu, and Антониаду
| αγαθονίκη αντωνιάδου Greek educationist and poet, GR (b. 1854) |
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ελένη αντωνιάδου Greek scientist and entrepreneur, GR (b. 1988) |
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| πραξούλα αντωνιάδου Cypriot politician, CY (b. 1958) |
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| άνδρη χριστοφίδου αντωνιάδου CY (b. 1953) |
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| ελένη αντωνιάδου Cypriot-Greek writer, GR |
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| σοφία αντωνιάδου Greek choreographer, GR |
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| πίτσα αντωνιάδου Cypriot actress, CY |
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| κούλα αντωνιάδου Greek director, GR |
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