Cognomen Παπακωνσταντίνου (Papakonstantinou 
, Papaconstantinou , Παπακωνσταντίνου ) , in the world, is a common surname. The cognomen Παπακωνσταντίνου is habitual in Greece, where it is quite a common surname, Cyprus, and Aland Islands. In absolute terms, it is commonest in Greece, Cyprus, and the United States.
| VARIANT | COUNTRY |
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| Papakonstantinou, Papaconstantinou | Germany, Greece, Cyprus, Canada, United States |
| Παπακωνσταντίνου | Greece |
| Papakonstandinou | Brazil, Greece, Canada |
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κωνσταντίνος παπακωνσταντίνου Greek politician (1907-1989), GR (b. 1907) |
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βασίλης παπακωνσταντίνου Greek singer, GR (b. 1950) |
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| θεοφύλακτος παπακωνσταντίνου Greek journalist, GR (b. 1905) |
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θανάσης παπακωνσταντίνου Greek singer-songwriter, GR (b. 1959) |
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γιώργος παπακωνσταντίνου Greek politician, GR (b. 1961) |
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| μιχάλης παπακωνσταντίνου Greek politician (1919-2010), GR (b. 1919) |
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| απόστολος παπακωνσταντίνου metropolitan bishop, GR (b. 1924) |
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| δημήτριος κ. παπακωνσταντίνου (b. 1918) |
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| γεώργιος κ. παπακωνσταντίνου Greek politician (1929-1998), GR (b. 1929) |
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| μαίρη παπακωνσταντίνου Greek sculptor 1937-2020, GR (b. 1933) |
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| λήδα παπακωνσταντίνου Greek artist, GR (b. 1945) |
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| μίρκα παπακωνσταντίνου Greek actress, GR (b. 1947) |
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| θεόδωρος παπακωνσταντίνου Greek composer, GR (b. 1948) |
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| θεόδωρος παπακωνσταντίνου Cypriot composer, CY (b. 1949) |
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| λήδα παπακωνσταντίνου Greek visual artist 1949 -, GR (b. 1949) |
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