Family name Κυριακόπουλος (Kyriakopoulos 
, Κυριακόπουλος ) , in all the world, is quite a common last name. The family name Κυριακόπουλος is habitual in Greece, where it is quite a common surname, Cyprus, where it is quite a rare surname, and Serbia. Measured by absolute frequency, it is the most numerous in Greece, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Kyriakopoulos | Australia, Austria, Greece, United States, Serbia |
| Κυριακόπουλος | Greece |
| γεώργιος κυριακόπουλος GR (b. 1800) |
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| ισίδωρος κυριακόπουλος Greek monk, GR (b. 1819) |
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| μενέλαος κυριακόπουλος Greek politician (1889-1976), GR (b. 1889) |
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| νικόλαος β. κυριακόπουλος Greek politician (1894-1982), GR (b. 1894) |
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| δημήτριος κυριακόπουλος Greek actor, GR (b. 1897) |
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| ηλίας κυριακόπουλος Greek university professor and politician, GR (b. 1903) |
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| οδυσσέας κυριακόπουλος GR (b. 1952) |
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| γιάννης κυριακόπουλος GR |
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| γιώργος κυριακόπουλος Greek footballer, GR (b. 1996) |
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