Cognomen Καραγιάννης (Karagiannis 
, Caraiani 
, Καραγιάννης ) , across the world, is a common surname. The last name Καραγιάννης is habitual in Greece, where it is a common surname, Jersey, where it is quite a common surname, and Cyprus. Not in comparison with a country's population, this name is the most popular in Greece, Cyprus, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Karagiannis | Australia, Romania, Greece, United States, Cyprus |
| Caraiani | Moldova, Romania, Canada, Germany, United States |
| Καραγιάννης | Greece |
| Caragiani | United States, Romania, Venezuela |
Karagiannes, Karayannis, and Karayiannis
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χρήστος καραγιάννης Greek politician, GR (b. 1954) |
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μάκης καραγιάννης GR (b. 1958) |
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| κώστας καραγιάννης actor, GR (b. 1932) |
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γιάννης καραγιάννης Cypriot singer, CY (b. 1994) |
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| ιωάννης καραγιάννης Greek politician, GR (b. 1960) |
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| γιάννης καραγιάννης Greek politician and lawyer, GR (b. 1965) |
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| βάιος καραγιάννης Greek footballer and manager, GR (b. 1968) |
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| άντρος καραγιάννης Cypriot mayor, CY (b. 1973) |
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| γεώργιος καραγιάννης Hellenic Army officer, GR |
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| σταύρος καραγιάννης Greek actor, GR |
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| νίκος καραγιάννης Greek singer and songwriter, GR |
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| γιώργος καραγιάννης Greek actor, GR |
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| θανάσης καραγιάννης Greek actor, GR |
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| ιβάν καραγιάννης Greek dancer, GR |
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| κώστας καραγιάννης CY |
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