Cognomen Belenia (Belenia 
, Беленя 
) , throughout the world, is a rare family name. The surname Belenia is habitual in Belarus, where it is a rare surname, Philippines, and Russia. Much less frequently, Belenia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Belenia | Philippines, Nicaragua, United States, Brazil, Honduras |
| Беленя | Belarus, Russia, Ukraine |