Cognomen Granena (Granena 
) , in all the world, is a very rare surname. The cognomen Granena is habitual in France, where it is a very rare surname, Spain, where it is an extremely rare surname, and Brazil. Very seldom, Granena is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Granena | Spain, France, Brazil, United States |