Last name Клеантіс (Клеантіс 
) , in the entire world, is an extremely rare family name. The family name Клеантіс is habitual in Eastern Europe, particularly Ukraine, where it is an extremely rare surname. Also, Клеантіс is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Клеантіс | Ukraine |