Cognomen Αντωνιάδη (Antoniadis 
, Antoniadi 
, Αντωνιάδη ) , in all the world, is a common family name. The last name Αντωνιάδη is characteristic of Cyprus, where it is a common surname, Greece, where it is quite a common surname, and Bahrain, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Greece, Cyprus, and Germany. Very seldom, Αντωνιάδη is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Antoniadis | Germany, Cyprus, Australia, United States, Greece |
| Antoniadi | Germany, Cyprus, Russia, United Kingdom, Greece |
| Αντωνιάδη | Greece |
Adoniade, Antoniade, and Антониадис
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εμμανουήλ αντωνιάδης Greek journalist and politician, GR (b. 1791) |
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σοφία αντωνιάδη Greek university teacher (1895-1972), GR (b. 1895) |
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| ευάγγελος αντωνιάδης Greek theologian and university professor, GR (b. 1882) |
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αντώνης αντωνιάδης Greek footballer, GR (b. 1946) |
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άγγελος αντωνιάδης sportsperson, GR |
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| νικόλαος αντωνιάδης Greek sport shooter, GR (b. 1971) |
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| κούλα αντωνιάδη Greek director, GR |
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