Surname Fontbuena (Fontbuena 
) , worldwide, is a very rare family name. The cognomen Fontbuena is habitual in Philippines, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Fontbuena is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fontbuena | United States, Spain, Philippines |