Family name פיאנה (Fiana 
, Piana 
, Fianna 
) , around the world, is a common cognomen. The last name פיאנה is characteristic of Italy, where it is quite a common surname, Brunei, where it is quite a rare surname, and Uruguay. Not in comparison with a country's population, this name is the most popular in Italy, Indonesia, and Brazil. Much less frequently, פיאנה is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fiana | Indonesia, Italy, United States, Argentina, Brazil |
| Piana | Indonesia, Italy, Argentina, France, Brazil |
| Fianna | Indonesia, Brazil, Mexico, United States, Israel |
| פיאנה | Israel |
גונטר, אלפסי, טורצ'ינסקי, and בורשטיין