Cognomen Камена (Камена 
, Kamena 
) , worldwide, is quite a rare last name. The family name Камена is habitual in Bulgaria, where it is quite a common surname, North Macedonia, where it is quite a rare surname, and Ivory Coast, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Bulgaria, the Democratic Republic of the Congo, and Ivory Coast. Likewise, Камена is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Камена | Ukraine, Kazakhstan, Bulgaria, Kyrgyzstan |
| Kamena | Ivory Coast, Democratic Republic of the Congo, India, Angola, Mali |