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 | Brazil, Argentina, United States, Indonesia, Italy |
| Piana | Brazil, France, Argentina, Indonesia, Italy |
| Fianna | Brazil, Israel, Mexico, United States, Indonesia |
| פיאנה | Israel |
גונטר, אלפסי, טורצ'ינסקי, and בורשטיין