Cognomen Unzo (Unzo 
) , in the entire world, is a very rare last name. The last name Unzo is characteristic of Philippines, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and China. Much more frequently, Unzo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Unzo | Japan, China, Philippines, Nigeria, Brazil |