Surname Καλογιάννης (Καλογιάννης 
, Kaloyannis 
) , around the world, is a very rare cognomen. The last name Καλογιάννης is characteristic of Greece, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Καλογιάννης | Greece |
| Kaloyannis | Greece, United States, Canada |
| κώστας καλογιάννης association football player, GR (b. 1909) |
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| κωνσταντίνος καλογιάννης politician, GR (b. 1918) |
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| παντελής καλογιάννης Greek politician and lawyer, GR (b. 1926) |
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| αντώνης καλογιάννης Greek singer, GR (b. 1933) |
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| απόστολος καλογιάννης Greek dentist and politician, GR (b. 1952) |
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| θανάσης καλογιάννης Greek athletics competitor, GR (b. 1965) |
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| σταύρος καλογιάννης GR (b. 1961) |
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| κρίτων καλογιάννης Greek association football player, GR |
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| μιχάλης καλογιάννης Greek actor, GR |
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