Surname Κωνσταντίνου (Konstantinou 
, Constantinou , Κωνσταντίνου ) , around the world, is a common cognomen. The surname Κωνσταντίνου is characteristic of Cyprus, where it is a prevalent surname, Greece, where it is a common surname, and Fiji, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Cyprus, Greece, and the United Kingdom.
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| Konstantinou, Constantinou | Australia, Greece, Cyprus, United States, United Kingdom |
| Κωνσταντίνου | Greece |
Konstadinou, Konstadinu, Konstandinou, Konstandinu, Konstantinou, Constantinou, and Konstantinu
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γιώργος κωνσταντίνου Greek actor and film director, GR (b. 1934) |
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| κωνσταντίνος κωνσταντίνου Greek racing cyclist, GR (b. 1900) |
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| ιωάννα κωνσταντίνου Greek archaeologist, GR (b. 1909) |
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γιάννης κωνσταντίνου Cypriot racewalker, CY (b. 1972) |
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| ντίνος κωνσταντίνου Cypriot politician, CY (b. 1925) |
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| ευάγγελος κωνσταντίνου German university professor and historian, GR (b. 1933) |
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| βάνια κωνσταντίνου Cypriot actress, CY (b. 1935) |
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| γιάννης κωνσταντίνου Greek singer, GR (b. 1941) |
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άλεξ κωνσταντίνου Cypriot footballer, CY (b. 1992) |
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| βασίλης κωνσταντίνου Greek footballer, GR (b. 1947) |
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| ανδρέας κωνσταντίνου association football player (1947-2015), CY (b. 1947) |
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| μιχάλης κωνσταντίνου Greek association football player, GR (b. 1948) |
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| τάσος κωνσταντίνου Cypriot association football player, CY (b. 1951) |
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| χάρης κωνσταντίνου Cypriot association football player, CY (b. 1953) |
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| κώστας κωνσταντίνου Cypriot association football player, CY (b. 1954) |
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Δέσποινα, Αλέξανδρος, Γιώργος, Γεωργία, Βασίλης, Βαγγέλης, Στυλιανή, Στυλιανός, Σωτήρης, Χαράλαμπος, Κωστας, Μαρίνα, Μιχαέλα, Αθανασία, Χριστίνα, Κατερίνα, Αντρέας, Κυριάκος, Γιάννης, Σταυρούλα, Κωνσταντίνα, Κωνσταντίνος, Ανδρέας, Παναγιώτης, Μάριος, Μαρία, Νεόφυτος, Εύα, Ιωάννα, Θοδωρής, Παύλος, Σπύρος, Σώτια, Ράνια, Γεώργιος, Βίκυ, Λευτέρης, Έλενα, Στέλιος, Κώστας, Δημήτρης, Αθανάσιος, Γιώτα, Βούλα, Νίκος, Άντρια, Δημήτριος, Μιχάλης, and Παναγιώτα