Cognomen Καρατζόγλου (Καρατζόγλου, Karatzoglou 
) , worldwide, is a rare family name. The surname Καρατζόγλου is habitual in Greece, where it is quite a rare surname, Canada, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Karatzoglou | Greece, United States, Germany, Canada |
| ιλαρίων καρατζόγλου Greek soldier, GR (b. 1790) |
|