All over the world, Biason (Biason 
) is a very rare unisex forename. The first name Biason is characteristic of Aland Islands, where it is quite a common boy's name, and Italy, where it is a very rare gender-neutral name. Predominantly, Biason is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Biason | Brazil, Italy, Philippines, United States, France |