Cognomen Fedenia (Fedenia 
, Феденя 
) , in all the world, is a rare surname. The cognomen Fedenia is characteristic of Belarus, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Belarus, the United States, and Russia. Very seldom, Fedenia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fedenia | United States, Philippines |
| Феденя | Belarus, Ukraine, Kazakhstan, Russia |