Family name Biaza (Biaza 
) , around the world, is a rare last name. The family name Biaza is characteristic of Philippines, where it is a very rare surname, Indonesia, and the United States, where it is an extremely rare surname. Very seldom, Biaza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Biaza | Indonesia, Philippines, Nigeria, United States, Brazil |