Cognomen Fiiuza (Фиюза 
, Fiiuza 
) , in the world, is an extremely rare family name. The family name Fiiuza is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Much more prevalently, Fiiuza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Фиюза | Kazakhstan, Russia |
| Fiiuza | Brazil |