Cognomen Kleoniki (Kleoniki 
, Клеоники 
, Κλεονίκη ) , in the entire world, is quite a rare family name. The last name Kleoniki is habitual in Greece, where it is quite a common surname, and Bulgaria, where it is a rare surname. Also, Kleoniki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kleoniki | Cyprus, United States, South Africa, Greece, Germany |
| Клеоники | Russia, Bulgaria |
| Κλεονίκη | Greece |