Family name Chatzinikolaou (Chatzinikolaou 
, Χατζηνικολάου ) , all over the world, is quite a rare cognomen. The cognomen Chatzinikolaou is habitual in Cyprus, where it is quite a common surname, Greece, and Belgium, where it is a very rare surname. In absolute terms, the name is most common in Greece, Cyprus, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Chatzinikolaou | Belgium, Poland, Greece, Cyprus, Germany |
| Χατζηνικολάου | Greece |
| giannis chatzinikolaou Greek footballer, GR (b. 1965) |
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| eva chatzinikolaou researcher |
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| parthena chatzinikolaou researcher, ORCID id # 0000-0002-3337-9294 |
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| athanasios chatzinikolaou researcher |
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Mr, Georg, Tasos, Timmy, Nikol, Nikos, Eleni, Fotis, Ilias, Xenia, Marios, Martha, Melina, Savvas, Spiros, Spyros, Alexis, Amalia, Avraam, Bianca, Kostas, George, Dimos, Danai, Panos, Betty, Ms, Eva, Efi, Mara, Meni, Anna, Rita, Leon, John, Nick, Thomas, Niki, Maria, Manos, Myrto, Sakis, Sofia, Anast, Anton, Anthi, Apost, Chris, Ioan, and Eirini